About ZhongGao
Ningbo ZhongGao Seal Technology Co., Ltd. Which was specialized in research, production, sales, and distribution. Factory predecessor is located in Xiamen, Shenzhen, currently has over 9000 square meters of modern plant, with more than 300 employees, more than 40 senior technical staff .
Our main products are: O-ring, X-ring, Y-ring, D-rings, rubber flat washer, ED rings, rubber strips, rubber ball, all kinds of skeleton oil seal, glyd ring and stepseal, polyurethane oilseal, pneumatic seals and all kinds of rubber parts for the design according to customer request. The major products supply the professional support and services for: automotive, garden irrigation equipment, hydraulic, pneumatic, coal, machinery, medical, hardware, sanitary ware, water equipment, and other industry.
We have a full set of advanced production equipment from vulcanizing to final shipment, with international standards, using the same advanced production process, also have a full range of laboratory testing equipment, can comprehensive experiments and testing a variety of rubber material properties, product performance test. We have the most professional technical team can integrate your idea and provide the best professional advice,we with the most professional service and stable quality has won the unanimous approval of the majority of domestic customers, and exported to Russia, the United States, Canada, Britain, India, Singapore and other international markets.
We always adhere to the service-oriented, innovative, and provide customers with professional solutions concept to create value, to achieve the cooperation successful and win together.


From the masses
Our team has a number of person who is love seal industry, full of passion, and the same mind. Our needs are derived from the public, we had the professional technical team for seal integration, is your all-perspective communication consultant.

Complement with other''s advantages
Zhonggao value of existence is to create value, our team is positive and progressive and constantly improve ourselves, we will better serve the customer, and to create more brand value for customers is your professional sealing service consultant.

Aggregation the person together , scale the new heights
Every day we strive to improve self-insufficient, our efforts is to create the constantly increasing our customer brand, we have the best intentions of the most professional way to serve the public.