E-Weichat
Waterproof Connectors & Junction Boxes Manufacturer
Reliable Solutions for Lighting, Industrial, Solar & Energy Storage Applications
Our Waterproof Connector Products
Find the right waterproof connection products for your project.
Circular Waterproof Connectors
LP Industrial Connectors
Waterproof Junction Boxes
Solar / PV Connectors
Energy Storage Connectors
Data & Signal Connectors
Waterproof Connector Applications & Solutions
Waterproof connection solutions for diverse application environments.
Why Engineers & Buyers Choose Weichat
From standard waterproof connectors to customized connection solutions, Weichat supports projects from product selection and engineering development to sampling and mass production.
Wide Range of Products
A broad selection of high-performance waterproof connectors and junction boxes, engineered to cater to the needs of industrial automation, outdoor lighting, renewable energy and other applications.
OEM & ODM Available
Bring your ideas to reality with our flexible OEM & ODM services. From structural design and 3D prototyping to custom pin layouts, we turn your unique requirements into production-ready solutions.
In-House R&D & Manufacturing
Our in-house mold design, stamping, injection, assembly, and testing ability gives us full control over quality and timelines, ensuring strict standards from concept to delivery.
Factory-Direct Pricing
Enjoy competitive pricing without middleman markups. Our direct manufacturing approach in Shenzhen ensures maximized value and strict cost control for your investment.
How We Manufacture
We support custom connector projects through a structured development process, from initial requirements and engineering review to sampling, validation and mass production.
01 — Requirement Review
We review your application, electrical requirements, connector structure, cable specifications and installation conditions to understand the project requirements.
02 — Solution & Design
Based on the project requirements, we develop or recommend a suitable connector configuration and confirm the required specifications.
03 — Sample Development
Samples are developed for functional testing, installation checks and customer evaluation. Samples can typically be developed in approximately 3 days, depending on project requirements.
04 — Customer Validation
Sample performance and specifications are reviewed and confirmed before moving forward with production.
05 — Trial Production & Validation
Trial production and product validation are carried out to confirm the manufacturing process and product requirements.
06 — Mass Production
After the specifications and validation requirements are confirmed, the project moves into mass production.
Manufacturing & Quality Highlights
Precision engineering and rigorous quality control ensure reliable performance in every connector we produce.
Advanced Equipment
Operate 100+ production machines for tooling, stamping, injection molding, automated assembly, and other production processes to support consistent manufacturing and volume production.
Strict Quality Control
Multi-stage inspections cover incoming materials, production, inventory, and outgoing products. 20+ testing devices support testing and validation in our UL/TÜV-based in-house laboratory.
Experienced R&D Team
A 30+ member in-house R&D team supports connector design, customization, product development, and project engineering, helping improve product performance and reliability.
Efficient Production
With an annual production capacity of 10 million+ sets and a production facility of approximately 7,000 m², our manufacturing system supports both standard products and volume production requirements.
Certification & Innovation
IATF 16949, ISO 9001, ISO 13485, ISO 14001, UL, cUL, TÜV, CE, SAA, CQC, and RoHS. We also hold multiple invention patents and dozens of utility model and design patents
Questions & Answers
Frequently Asked Questions
Precision engineering and rigorous quality control ensure reliable performance in every connector we produce.
What IP ratings are available?
Our waterproof connector range includes IP67 and IP68 products, depending on the series and configuration. Some connector series can also be customized to meet specific IP68 requirements.
What types of waterproof connectors do you offer?
We offer a wide range of waterproof connection solutions, including circular waterproof connectors, LP industrial connectors, self-locking connectors, quick-connect and wire-lock connectors, data and signal connectors, solar PV connectors, energy storage connectors, waterproof junction boxes, and related accessories.
What information should I provide for a quotation?
To help us recommend a suitable connector and prepare a quotation, please provide as much of the following information as possible:
– Application or equipment Required
– IP rating
– Voltage and current
– Number of pins
– Cable size or cable diameter
– Connector size or mounting requirements – – Required quantity
– Drawing, specification, or sample, if available
If you do not have all the specifications, you can simply tell us what the connector will be used for. Our team can help identify suitable options.
What is your production capacity?
Our production capacity is more than 10 million sets per year. The company operates a 7,000 m² production facility with more than 100 production machines and dedicated testing equipment.
Can you provide custom connectors?
Yes. We support OEM and ODM projects and can develop customized connector solutions based on application requirements, drawings, samples, or specific electrical and mechanical requirements. Our customization process covers solution development, design, sampling, validation, and mass production.
How fast can you provide samples?
Yes. We support OEM and ODM projects and can develop customized connector solutions based on application requirements, drawings, samples, or specific electrical and mechanical requirements. Our customization process covers solution development, design, sampling, validation, and mass production.
Do you provide tooling or mold development?
Our standard sample development capability is approximately 3 days, depending on the product configuration and project requirements. Custom projects may require additional time for design or engineering confirmation.
Let's Discuss Your Waterproof Connection Needs
Get custom solutions, wholesale pricing & free samples today. Our technical experts are ready to help you find the right solution for your application. Complete the form below for a prompt response.