Guangdong Aoheng Environmental Protection Technology Co., Ltd.

1).Principle of STRO The STRO membrane combined the design advantages of both Spiral wound and Open Channel. With a narrow and fully open channel, the STRO membrane overcomes the disadvantages of other common reverse osmosis membrane components and greatly optimizes the hydrodynamic performance. To a large extent, the common contamination and scaling problems in other reverse osmosis membrane components are reduced  2).Process - Characteristics 1. Strong process stability, simple maintenance, low energy consumption. 2. The process is simple and compact, and the complete sets of equipment are standardized. 3. The effluent water quality is good. 4. Flexible operation. 5. Short construction cycle, debugging, quick start. 6. High degree of automation, simple operation. 7. Small footprint. 8. Recyclable.  3).Benefit analysis 1.Traditional waste liquid disposal Outsourcing fee: 2500 yuan /T 100T/ year *2500 yuan /T= 250,000 yuan/year 2.After investing in wastewater treatment equipment Equipment operation cost: 715.79 yuan Outsourcing cost of concentrated liquid: 20T*4000 yuan /T= 80,000 yuan Comprehensive treatment cost: 715.79 yuan + 80,000 yuan = 90,000 yuan/year  4).Case Project Name: An electroplating base in Guangdong Address: Longxi Town, Huizhou City Treatment scale: 1500T/D Process flow: Biochemical system +UF system + roll-type RO+STRO Inlet water quality: COD≤100mg/L; TDS 4000 mg/L or less; Effluent standard: "Industrial Water Quality of Municipal Sewage Recycling" GBT19923-2005  The price is negotiable 

STRO system

STRO system for optimized wastewater treatment and reverse osmosis.

Yan Chuen Co Ltd

  Metal Domes  3M467 adhesive  RoHS Compliance  

Membrane Keypad / Keyboard

 Featured is a high-quality membrane switch designed for&nbsp;turning on and off an electrical circuit. It consists of two plastic-film screens printed with conductive ink to complete the circuit. Professionally manufactured with strong adhesive and fine materials, this membrane switch&nbsp;is able to&nbsp;prevail against the test of time and withstand the stress of actuation. 
 
  Overlay: PC or PET with silkscreen printing. 
  Circuit layer: PET&nbsp;with carbon ink or silver paste printing. 
  Adhesive: 3M467. 
 

Membrane Switch

Membrane Switch for electrical circuit control

1.) Principles of DTRO This technology is specially developed for the treatment of concentrated wastewater. Its membrane component structure is completely different from that of the traditional coil membrane. The flow channel of the stock liquid: The saucer-tube membrane assembly has a patented flow channel design form, using an open flow channel, the material liquid through the entrance into the pressure vessel, flow from the channel between the guide plate and the shell to the other end of the assembly, at the other end of the flange, the material liquid through 8 channels into the guide plate, the treated liquid with the shortest distance quickly flow through the filter membrane, and then 180º reverse to the other membrane surface. Then it flows into the next guide plate from the notch in the center of the guide plate, so as to form a double "S" shaped route from the circumference of the guide plate to the center of the circle, and then to the circumference, and then to the center of the circle on the membrane surface. The concentrated liquid finally flows out from the flange of the feed end  2.) Process - Characteristics 1. Strong process stability, simple maintenance, low energy consumption. 2. The process is simple and compact, and the complete sets of equipment are standardized. 3.The effluent water quality is good. 4. Flexible operation. 5. Short construction cycle, debugging, quick start. 6. High degree of automation, simple operation. 7. Small footprint. 8. Recyclable.  3.) Benefit analysis 1. Traditional waste liquid disposal Outsourcing fee: 2500 yuan /T 100T/ year *2500 yuan /T= 250,000 yuan/year 2. After investing in wastewater treatment equipment Equipment operation cost: 815.79 yuan Outsourcing cost of concentrated liquid: 30T*4000 yuan /T= 120,000 yuan Comprehensive treatment cost: 815.79 yuan + 120,000 yuan = 125,000 yuan/year  4.) The DTRO Case Project Name: Haixin Sand Crisis Waste Liquid Project Address: Dongguan Haixinsha Island Processing scale: 2500T/D Process flow: multi-effect evaporation + physicochemical + biochemical MBR+NF+RO+DTRO Inlet water quality: COD≤ 10-20,000 mg/L; TDS≤ 5-80,000 mg/L; 

DTRO System

DTRO System for efficient wastewater treatment

   Embossed Buttons   LEDs emedded   Mouted Metal Pins &amp; Housing Inserts   RoHS Compliance  

Membrane Keypad Keyboard with embossed buttons and LEDs

  Poly Domes  LEDs & Small Component emedded  3M467 adhesive  RoHS Compliance  

Membrane Keypad Keyboard with Poly Domes and LEDs

  Embossed Buttons  LEDs emedded  Metal Domes  RoHS Compliance  

  Embossed Buttons  LEDs Emedded  RoHS Compliance  

  Embossed Buttons  LEDs emedded  3M467 adhesive  RoHS Compliance  

  Material: PC Lexan  3M467 adhesive  RoHS Compliance  

PC Overlay / Cover Plate

MGM Industries & Company

Features: * Nana RO membrane filters tiny substances more efficiently. * Fully automatic control, one-key boot, simple operation. * With high pressure and low pressure protection, safer operation. * With consumable replacement alarm. * Compliance with national standard GB/T6682-2008 water requirements. * LCD display, display water quality information.    

Laboratory Water Purifier

Laboratory Water Purifier with advanced filtration and safety features.

Water Purifier (RO & DI water)

  This membrane keyboard features overlay, spacer, metal domes, lower circuit, LEDs  Overlay: pc or pet  Circuit: pet, carbon or silver paste  Adhesive: 3m  Simple for using in gadgets like handheld calculators, domestic remote control keypads,  microwave ovens, and other similar devices where the amount of typing is minimal  Suitable for use in electronic gadgets  Design and keys can be customized to suit your needs  

Membrane Keyboard

Membrane Keyboard for electronic gadgets with customizable design

Chengdu Weidun Construction and Trading Co.,Ltd

Weidun®️005 TPO Roofing Membrane refers to thermoplastic polyolefin, a type of single-ply roofing membrane material. It’s commonly used in commercial and residential roofing applications. TPO roofing is known for its durability, flexibility, and resistance to ultraviolet light and chemical exposure. Uses Weidun 005 TPO Roofing Membrane is considered a good option for single-ply roofing systems due to its excellent physical properties, ease of installation, and minimal maintenance requirements. Advantages Highly durable and resistant to punctures, tears, and impacts. Excellent resistance to UV radiation, ozone, and chemical exposure, ensuring longevity. Flexible, allowing for easier installation and adaptability to a variety of roof designs and shapes. Heat-welded seams create strong bonds, enhancing the overall strength of the roofing system. Recyclable, making it an environmentally conscious choice compared to some other roofing materials.  Storage and Handling To prevent damage, support rolls on end in an upright position and store ina clean, dry location, covering as necessary to protect from environmental damage. Monitor environmental conditions during storage. Product Specifications Roll Size* 20.0m Roll Length 10.0m Roll Width 2.0m Roll Thickness 12mm; 1.5mm Top side Surfacing Smooth; Fleeced-back Bottom Side Surfacing Smooth; Self-adhesive  Technical Data Sheet Property Standard Minimum Valve  Weidun Value Elongation at 23℃ +/-2℃, (%) 500 500 Low-temperature flexibility, at -10 ℃                         No crack No crack Water penetration ( Maintain a water pressure of 1.5bar for 7days )  Non-penetration  Non-penetration Angle Tear Strength (N/mm) 65 67 Thermal Treatment Dimensional Change Rate (%) 4 2.8 Joint Peel Strength (N/mm) 8 6 Tensile Strength at 23℃ (Mpa) 15 15.8 

TPO Sheet Membrane

TPO Sheet Membrane for durable and flexible roofing solutions

1. The evaporation operation of several evaporators running in series makes the steam heat energy be used many times, so as to improve the utilization rate of heat energy, which is mostly used for the treatment of aqueous solution. In the process of three-effect evaporation operation, the first evaporator (called the first effect) takes the raw steam as the heating steam, and the other two (called the second effect and the third effect) takes the secondary steam of the previous effect as the heating steam, which can greatly reduce the amount of raw steam.  2.process - Characteristics The system is equipped with an efficient foam removal device to avoid material foam entrainment leading to material run-out. Adopt level automatic control system, automatic feed, automatic discharge of condensed water. Heater, preheater and condenser tube plate adopt integral tube plate to extend the service life of the equipment. Discharge using separation device, increase the discharge crystal content, after separation to obtain most of the crystal, mother liquid reflux is little, need to consume less heat energy, special energy saving. Forced circulation evaporation, which has the advantages of high heat transfer coefficient, evaporation strength, prevent wall and tube blocking, especially suitable for the evaporation process of crystal materials. The separator adopts DTB mode to effectively separate the turbid liquid and avoid the crystal entering the heat exchange tube. The pump self-circulating system is adopted to keep the crystal and mother liquid circulating at all times and avoid crystal deposition and pipe blocking.  3.case Project Name: Guangzhou XXXX Co., LTD Address: Guangzhou Processing scale: 6T/h Process flow: Physicochemical + biochemical +MBR system + roll RO+DTRO+ multi-effect evaporation Inlet water quality: COD≤20mg/L; Conductivity ≤1900us/cm Effluent standard: "Industrial Water Quality of Municipal Sewage Recycling" GBT19923-2005  The price is negotiable 

Multiple effect evaporator

multiple effect evaporator for efficient aqueous solution treatment

Foshan SNT Electronic Technology Co., Ltd.

 LED Backlight Membrane SwitchLED backlighting membrane switch is an advanced Human-Machine Interface (HMI) that combines the best of LED illumination and membrane switch technology. Far more than a traditional switch, it is a comprehensive, integrated module that incorporates keypad functions, internal circuitry, graphical overlays, and a light source into a single unit. How it works: When a user presses a button area on the graphic overlay, it flexes the top circuit layer through the cutout in the spacer. The conductive pad on the top layer makes contact with the traces on the bottom layer, completing the circuit and registering a keypress. The integrated LEDs are powered by separate traces within the circuit and can be illuminated through transparent windows in the overlay. Key Features Ultra-Thin:With a typical thickness of less than 1 mm, these switches are ideal for products with limited space and can be installed on slightly curved surfaces. Modern Aesthetics: The seamless, smooth surface is easy to clean and can be custom-designed with exquisite graphics, colors, and dynamic lighting effects (such as steady-on, breathing, or multi-color illumination), delivering a high-tech and aesthetically pleasing look. Excellent Sealing &amp; Resistance: The fully sealed construction provides robust protection against water, dust, oil, and chemical corrosion (achieving high IP ratings). This makes it perfectly suited for harsh environments found in medical, industrial control, and kitchen appliance applications. Customizable Tactile Feedback: By incorporating different types of domes (e.g., metal or polyester domes), the switch can be engineered to provide distinct tactile feedback, from a crisp, audible "click" to a soft, linear feel. High Degree of Integration: These switches are built for reliability and a long operational life, typically rated to endure over one million actuations. High Durability &amp; Long Lifespan: These switches are built for reliability and a long operational life, typically rated to endure over one million actuations. Customization:LGF backlit switches offer extensive design flexibility, supporting various colors, brightness levels, and custom patterns to meet specific aesthetic and functional requirements.  Applications Medical Equipment:Patient monitors, ventilators, infusion pumps, etc. which requires being sealed and easy to sterilize. Industrial Control:CNC machine tools, instruments, automated equipment panels etc. which requires dustproof, waterproof, and anti-interference properties.. Home Appliances: Microwaves, dishwashers, coffee makers, smart kitchen appliances, etc., which enhance product quality.. Automotive Electronics:Central control panels, steering wheel controls, etc. Consumer Electronics: Game controllers, smart home control panels, office equipment, etc. 

 LED backlighting  screen printed  PET membrane switch  ：for medical device /home application/industry/Marine’

LED backlighting membrane switch for medical and home applications

General Circuit Int'l Ltd

Here comes a membrane switch which can be applied to microwave oven panels, air conditioner control panels, TV remote controls, etc. The benefits of membrane switches include ease of cleaning, sealing ability and their low profile. This membrane switch features excellent durability and can stand over 100, 000 closures. 

 
  Insulation resistance: 100M ohm at 100V. 
  Actual Force: 50g-400g. 
  Switch stroke: 0.1mm-1.5mm. 
  Maximum circuit rating: 35VDC, 100mA. 
 

Membrane Switch for microwave ovens and air conditioners

Featured is a high-quality membrane switch panel designed for turning on and off an electrical circuit. It consists of two plastic-film screens printed with conductive ink to complete the circuit. Professionally manufactured with strong adhesive and fine materials, this membrane switch panel is able to prevail against the test of time and withstand the stress of actuation.  #Membrane switch panel #Electronic part 

Membrane switch panel

membrane switch panel for turning on and off circuits

   This membrane keyboard features overlay, spacer, metal domes, lower circuit, LEDs.   Overlay: pc or pet.   Circuit: pet, carbon or silver paste.   Adhesive: 3m467.   Design and keys can be customized to suit your needs.   RoHS compliance.  

Membrane Keypad 

Membrane Keypad with customizable design and RoHS compliance

Filter Function First stage: PP cotton (PPE filter with a pore size of 5 microns): Preliminary filtration of raw water to remove coarser particles, colloids, suspended soilds, etc. in the water. Second stage: Granular activated carbon: high-effciency adsorption of odor, color, organic matter, and heavy metals in water. Third stage: Compressed activated carbon: further remove residual chlorine, organic compounds, color, odor, turbidity, etc. The fourth stage: Ro reverse osmosis membrane: 0.0001 micron pore size, effectively removes organic impurities such as viruses and heavy metals in water. The fifth stage: Deionization purification column: remove most of the heavy metals and trace elements in the water,and the water quality meets the national laboratory water first grade water standred.  

Water Purification System

Water Purification System with advanced multi-stage filtration

Maxtech Circuit HK Limited

This silver paste membrane switch comes with an anti-static design. It is finely engineered to work with high stability and reliability. This quality membrane switch is easy to install and maintain.
 
  Silver paste membrane switch. 
  Waterproof housing. 
  UV protection. 
  Silver flex circuit. 
  Anti-static design. 
 

Membrane Switch with silver paste and anti static design

Chung Pak Battery Works Ltd

   Separator for dry cells like R03, R6, R14, R20, R9V.   No mercury added.   Excellent performance.   Safe to use.   Different slit width or roll length according to customer's requirements.  

Separator

Separator for dry cells like R03, R6, R14, R20

Product Description: WD001 is a tough, resilient modified bitumen membrane manufactured to Weidun Specifications. Its core is a strong polyester that is coated with flexible SBS polymer-modified bitumen. Uses: WD001 Bitumen Membrane is designed for new roofing and re-cover applications, as well as in the construction of flashings. WD001 Bitumen Membrane is an ideal roofing membrane in Weidun modified bitumen systems.  Advantages: Durability - The membrane combines the strength of polyester reinforcement with the elongation of SBS-modified bitumen.Ease of use - Torch-applied is a mature method of applying the membrane.Lighter weight - The membrane weighs less than 4.5 kg per square meterWarranties - Product warranties and guarantees are available. Contact your sales representatives for detailed information.Product Application:   Torch-applied  Storage and Handling: To prevent damage, support rolls on end in an upright position and store in a clean, dry location. Cover as necessary to protect from environmental damage. Monitor environmental conditions during storage, handling, and application.   Product Specifications:  Roll Size* : 10.0 m2 Roll Length: 10.0m Roll Width: 1.0m Roll Thickness 3.0mm; 4.0mm Rolls per Pallet 30 Full Pallet Weight: 1.5 tons Top side Surfacing PE Film or Aluminum Bottom Side Surfacing: PE Film  Note: Actual membrane dimensions are customizable; please contact your sales representative for support.   

SBS Bitumen Waterproofing Membrane

SBS Bitumen Waterproofing Membrane for roofing and construction

   This membrane keyboard features overlay, spacer, metal domes, lower circuit.   Overlay: pc or pet.   Circuit: pet, carbon or silver paste.   Adhesive: 3m467.   Design and keys can be customized to suit your needs.   RoHS compliance.  

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