HENGYANG YINBEI WATCH CO., LTD

mechanic movement One-stop Service from Design to Production 

A And P Productions Ltd

we can provide one stop service from OEM and sourcing items under our customer need. please contact us for more information 

 we can provide your own design and OEM project or sourcing business for our customer 

Maanshan Brightness Lighting CO LTD

We have a professional design department that can customize products according to individual needs. Each product will be designed, customized and modeled based on your requirements. At the same time, the structural design of the product is convenient for installation and disassembly, making it easy for you to install, transport, disassemble and store. Thus, it can provide various cost savings for customers in multiple aspects. All products will be checked with customers from multiple aspects such as renderings and structural diagrams to ensure they meet your most satisfactory requirements.  If you want to know more about our products and services, please feel free to contact us. 

Design and Customization Services

Gordon C & Co Ltd

EXEMPLARY DESIGN CRAFTSMANSHIPAt Gordon C, creativity and ambition serve as the guiding principles. Our team of experts turn ideas into tangible masterpieces across a wide spectrum of watch categories, such as contemporary and premium timepieces, exquisite jewelry watches, and intricately specialized diver's watches, among others. 

OEM PRODUCT DESIGN

we can provide one stop service from OEM and sourcing items under our customer need. please contact us for more information  

we can provide your own design and OEM project or sourcing business for our customer 

Leconcepts Holdings Co Ltd

Over 20 years of experience in the toys , premiums, gifts, garments, household 
    utilities, lightings & costume jewelry industries.   Our facilities are China-based & Vietnam-based, covering the activities of project study,   prototype making, mould-building, plastic injection, plastic rotomolding,   polyresin forming, electrical and electronics, sewing and wood productions.  Pls visit www.leconcepts.biz to see our production facilities and equipment lists.  

Consumer Product Design

ENGINEERING ELEGANCEGordon C offers a one-stop solution to transform ideas into reality, seamlessly. Our engineers take ideas from intricate 2D, 3D, and STL drawings to the prototyping stage in a rapid fashion. 

OEM ENGINEERING SUPPORT

Dongguan Longmax Industries Ltd.

As part of our turnkey manufacturing solutions, Longmax provides custom and insert-molded products for household, medical, automotive, and consumer electronics applications. With over three decades of expertise, we specialize in the design and manufacture of complex precision components and assemblies, particularly for the global automotive industry. Our facility combines state-of-the-art equipment with advanced production technologies and a team of skilled engineers and technicians experienced in all phases of insert and plastic injection molding. Key highlights include advanced CAD design and manufacturing, tool and die-making capabilities, modern quality assurance testing, and a fully staffed in-house tool room with journeyman mold makers dedicated to maintenance and repair. Our services:Product Evaluation &amp; DFM Analysis: Engineers analyze part design and use mold flow simulation to optimize gate placement and catch defects early. Mold Design Engineering: Core/cavity layouts, cooling channels, and ejection systems are engineered to ensure cycle efficiency and long-term production stability. Tool Steel Selection: Materials like P20, NAK80, or S136 steel are chosen based on required durability, wear resistance, and production volume. Advanced CNC Machining: Multi-axis milling, high-speed machining, and EDM (Electrical Discharge Machining) create intricate features with extreme precision. Heat Treatment &amp; Hardening: Applied to high-volume production molds to increase strength, wear resistance, and operational lifespan. Surface Finishing &amp; Polishing: Custom finishes—such as mirror polishing, texturing, or bead blasting—are applied to achieve required aesthetics. Mold Assembly &amp; Validation: Components are assembled for trial runs (T1 samples) to test dimensions, cycle times, and ejection before full production. 

Precision Mold Making

Pantene Industrial Co Limited

 	 An Established designer, developer and manufacturer of high quality products and services to its OEM and electronics industrial partners.&nbsp; 	 We have rich experience in EMS manufacturing service including design, engineering solutions and service world&rsquo;s famous brands for years. Also, highly sophisticated vertical integration provides one-stop manufacturing service from product design to mass production.  

OEM/EMS Product Design Service 

   We are Hong Kong based company and would like to help all overseas customer develop their own projects, one stop solution for them.   If you have any new enquiry that we can handle for you, let us know your need.   Have a nice day!  &nbsp; 


Custom's Own Design

We are welcome on customer design projects, as we are Hong Kong based company with factory in China more than 45 years, and we know the market need and safety standard,&nbsp;

If you have any projects would like to develope, please send us an e-mail and we will work our best for you,&nbsp;

Look forward to work our good business with you.

Best regards
Peter&nbsp;

CUSTOM DESIGN AND OEM PROJECTS

Refined Motor Company Limited

Refined Motor Co. is a Hong Kong automotive EV technology provider offering certified electric conversion systems, technical expertise and regulatory support to industry partners. With in-house patented modular powertrain technology and full government compliance accreditation, the company enables automotive workshops, restoration studios and trade partners to deliver professional, road-legal EV conversion services without extensive in-house EV research and development.Our partnered electric conversion programme is a collaborative B2B service designed for automotive workshops, vehicle restoration companies, car dealers and automotive industry partners looking to expand their service portfolio into certified EV retrofitting. Under this partnership model, Refined Motor Co supplies fully developed, tried-and-tested modular electric powertrain kits, standardised engineering blueprints, technical guidelines and step-by-step conversion protocols to partner businesses. We provide continuous technical consultation, system calibration support and regulatory compliance guidance throughout every project stage.Partner teams manage vehicle disassembly, body preparation and mechanical assembly, while our professional engineering team oversees critical system integration, safety validation, quality assurance testing and final government certification approval. This cooperative framework allows industry partners to launch legitimate, market-ready EV conversion services with reduced risk, lower development costs and faster project lead times. We maintain consistent quality control, standardised safety benchmarks and full regulatory traceability, helping partners build a reputable and compliant EV service offering for local and regional clients. 

Partnered Electric Conversion

Time Grand Limited

Development of components that meet both technical and aesthetic standards. Through comprehensive research, engineering and manufacturing support, we help transform watch concepts into market-ready products. Our team develops and refines watch components and constructions to ensure they meet technical requirements, aesthetic expectations and production standards, supporting reliable quality, functionality and design excellence throughout the manufacturing process.   

RND · Engineering · Production 

BLD Design and Manufacturing Limited

Total Product DevelopmentInnovative product design led by experienced professionals who guide your product from conception to delivery. Creative talent, technical experience, and clear communication have led to a repeatable methodology that is common to all the projects showcased on this website. https://www.bldmfg.com/ 

Product Development 

Microtech Technology Co Ltd

PCB Design Service
Electronic Design Service
Mechanical Design Service

PCB Design Service

Dongguan Shangming Huida Technology Co., Ltd.

Established in 2009 and located in Shenzhen. We are a professional manufacturer of high-end mechanical watches and custom timepieces. We offer integrated services from design, mold making, prototyping to mass production, creating a one-stop watch design and manufacturing service. With over 15 years of experience in the watchmaking industry, we have accumulated rich experience in OEM and ODM projects, providing stable quality and reliable delivery services to global clients. We offer comprehensive development and manufacturing support, quickly transforming your ideas into finished watches: From 3D drawing design/sketches to mass production/new mold development/case development/custom hands/strap development/packaging design. We possess complete process capabilities from concept design/structural engineering/prototype verification/mass production, truly achieving one-stop service. We have our own CNC precision machining workshop, capable of manufacturing metal parts such as watch cases, bezels, and case backs with high precision, with tolerances controlled within ±0.02mm. Monthly production capacity exceeds 30,000 pieces, meeting the fast delivery needs of brand owners, large chain retailers, and e-commerce wholesale clients. Our factory is ISO certified and complies with major international standards such as CE, RoHS, and REACH. We implement a rigorous quality management system for every watch leaving the factory to ensure our products meet international market standards: 100% Inspection Process: Each watch undergoes individual inspection of the movement, appearance, durability, and assembly precision; random sampling is not used. After-sales Service: All ODM/OEM customized watches come with a 12-24 month warranty to meet the after-sales requirements of the brands. A trustworthy international brand partner, accompanying them from concept design to market launch.

One Stop Custom Design Services for OEM/ODM Watches

AiDLab

AiDA , a first-to-market technology that empowers fashion designers, based on their creative inspirations, to work with AI to create original designs. With just a few clicks, designers can choose or refine options to develop fashion collections, bringing agility, efficiency and flexibility to conventional and intensive studio processes. 

AI-based Interactive Design Assistant for Fashion (AiDA)

One-stop OEM &amp; ODM Watch Development Solutions From concept to production: integrated support for watch brands. Time Grand provides one-stop OEM and ODM watch development solutions for watch brands seeking reliable support across product development, engineering, design, manufacturing and post-production service needs. What the solution covers: R&amp;D, engineering and productionDevelopment of watch components and constructions that meet both technical and aesthetic standards, supported by research, engineering and manufacturing expertise.ODM / OEM consultation and designTailor-made analyses to align with brand identity, market trends, niche target audiences and pricing strategies, supported by sketches, artistic drawings, 2D/3D renderings, 3D prints, animations and fully functional samples.Manufacturing and assembly resourcesCollaborations with renowned Swiss movement suppliers and assembly lines, together with assembly resources in Switzerland, Hong Kong and Mainland China, offering flexible production arrangements and value-added services.Aftercare, parts and fulfillmentIn-house repair service and parts department support customers’ needs after production with efficient turnaround for repair, parts replacement and related aftercare requirements.By handling the complexities of product development, engineering and manufacturing, Time Grand enables watch brand customers to focus on marketing, sales, customer-facing aftercare service and long-term brand growth.    

One-stop OEM & ODM Watch Development Solutions

Sun Flame Co Ltd

This is design section. We have been discussing about design every week. Also, we can make OEM projects. The MOQ 300pcs to 500pcs depend on your request.  

Design discussion

Svi Public Co Ltd

 	 Full service EMS 	 Including Product Design/Development 	 PCBA to System Build, advanced production automation &amp; test 	 Cleanroom assembly 	 PLM services  

EMS services - Medical and Automotive

OKLAB LIMITED

OKLab Limited is a passionate and experienced product development and manufacturing company. With offices in Hong Kong and Dongguan, China, and a factory in Dongguan, we offer expert product design and project management services tailored to your needs. Our team has over 25 years of product design experience and 30 years of production and project management experience. We strive to exceed your expectations by providing innovative solutions, exceptional quality, and outstanding customer service. Let us turn your ideas into successful products! Need more information? Reach out to us 

Product Design & Development 

Sun Field Label Printing Factory Limited

SUN FIELD has been in the printing and packaging business for 30 years. In recent years, we extended our service and have a division which specialized in product development and production. We work with a diversity of material such as: Metal, Glasses, Stones, Ceramic, Wood Our inhouse engineer can quickly turn you idea into a 3D illustration, prototype and finally an end piece of product that is up to your quality expectation. Together with our packaging production, we can assemble all parts of your products and deliver to you retail ready.  

Product development and sourcing

GRG METROLOGY & TEST GROUP CO., LTD.

GRGTEST has been deeply involved in the automotive field and has established a complete industrial chain testing and verification capability from materials to complete vehicles. Focusing on the technological evolution requirements of intelligent connected and new energy vehicles, GRGTESTcontinuously improves its core testing capabilities to ensure the technological iteration and product innovation of industry enterprises. 

Vehicle-mounted Electronic Product Testing

Refined Motor Co. is a Hong Kong-based, Transport Department recognised EV engineering firm specialising in road-legal vehicle electrification, retrofitting and compliance-certified automotive innovation. Founded by professional automotive engineers, the company delivers precision-engineered, fully certified electric vehicle conversion solutions for private collectors, premium vehicle owners and discerning automotive clients across Hong Kong and the Greater Bay Area.Our bespoke electric conversion service offers fully customised, one-of-a-kind EV retrofitting tailored exclusively for classic cars, vintage vehicles and special-interest automobiles. Unlike standard off-the-shelf conversions, every project begins with a complete vehicle structural analysis, chassis evaluation and usage requirement assessment to design a fully personalised electric powertrain, battery layout and driving performance profile. Our engineering team custom-tunes acceleration, torque output, range characteristics and weight distribution to align with the owner’s driving style, aesthetic expectations and intended use, whether for daily road use, show display or long-term collection preservation.The full-service process includes custom CAD engineering design, precision component integration, system calibration, comprehensive road and safety testing, as well as complete Hong Kong regulatory documentation and official road-legal certification. We fully preserve the vehicle’s original bodywork, classic styling and interior heritage while completely replacing the traditional combustion drivetrain with modern, zero-emission, reliable electric technology. This premium tailor-made solution is ideal for classic car enthusiasts and private clients seeking unique, high-quality, legally compliant electric classic vehicles with personalised performance characteristics.

My Sourcing