Dongguan Hongju Silicone Rubber Products Co. Ltd

About Us
Dongguan Hongju Silicone Rubber Products Co., Ltd. is a professional manufacturer specializing in the design, development, and production of high-quality silicone rubber products. Established in 1999, our factory covers an area of 7,000 square meters and employs more than 180 skilled workers, offering complete OEM and ODM services for global customers.

Professional Silicone Manufacturing Factory
With over 20 years of industry experience, Hongju provides one-stop solutions from mold design and material formulation to mass production and quality inspection. We focus on custom silicone keypads, seals, gaskets, O-rings, plugs, conductive parts, and precision molded components, serving electronics, automotive, medical, household, and baby product industries. Our production system supports both small quantity customization and large-scale manufacturing, providing buyers with flexibility, fast delivery, and reliable quality.

Certified Quality and Advanced Equipment
We are ISO 9001:2015-certified, and all raw materials comply with RoHS, REACH, SGS, and FDA standards. Our factory is equipped with advanced rubber mixing machines, vulcanization molding machines, automatic cutting lines, and precision testing equipment, ensuring stable quality, high efficiency, and cost-effective production.

Trusted by Global Buyers
Over the years, Hongju has built long term partnerships with customers across Europe, America, Japan, and Southeast Asia. We are recognized for our consistent quality, efficient communication, and on-time delivery. At Hongju, every order - whether a small prototype or a large production batch - receives the same professional attention and technical care.

Hongju - Your reliable partner for custom silicone and rubber manufacturing.