English
Russian
French
Spanish
German
Japanese
+86 15168112857
O-Ring and Rubber Seals
Manufacturer
Our factory is IATF16949 certified, with ISO Class-100,000 clean
rooms assembly and relubrication services.
Our factory is IATF16949 certified, with ISO Class-100,000 clean
rooms assembly and relubrication services.
30 years of expertise in rubber seals
We grow with our people
O-rings per day
O-ring Tolorance
Our factory is IATF16949 certified, with ISO Class-100,000 clean
rooms assembly and relubrication services.
30 years of expertise in rubber seals
We grow with our people
O-rings per day
O-ring Tolorance
HAISUN manufactures precision O-rings such as NBR, HNBR, AMQ, FKMT, EDPM, ACM, and CR, and we also supply standard O-ring parts and O-ring kits to meet our clients' needs.
HAISUN manufactures precision O-rings such as NBR, HNBR, AMQ, FKMT, EDPM, ACM, and CR, and we also supply standard O-ring parts and O-ring kits to meet our clients' needs.
Cixi Haisheng Rubber Products Co., Ltd. (HAISUN) is a professional manufacturer of custom rubber seals and high-precision O-rings in China. We are devoted to developing high-performance innovative materials that outperform existing standards to meet the needs of clients across a wide range of industries.
Learn More → We're a trustworthy supplier for
HAISUN specializes in O-rings for smartphones, watches, auto parts, medical devices, food machinery, electronic parts, and other industries. We implement <br/>strict quality control at every phase of rubber-sealing product manufacturing.
HAISUN specializes in O-rings for smartphones, watches, auto parts, medical devices, food machinery, electronic parts, and other industries. We implement <br/>strict quality control at every phase of rubber-sealing product manufacturing.
The quality objective of HAISUN Life is excellence with a passion for service.
O-ring dimension accuracy tolerance up to 0.01mm, rubber seals accurate of tolorance up to 0.02mm. Reduced wire diameter to 0.08, reduced inner diameter to 0.14, and reduced outer diameter to 0.3 to better suited your products.
01
Our rubber seals are manufactured following national standards, AS568, JIS, etc., with materials passing third-party certifications like ROHS, REACH, FDA, and are refined with high mold precision, free of burrs and uneven surfaces.
02
ISO Class-100,000 clean room workshop, Utilizing stable performance vulcanization units and precision CNC machining centers. We have a complete production process and testing standard to ensure product sealing and quality stability.
03
Precise testing instruments ensure product compliance, with strict quality control measures to prevent defective products from reaching customers. Production processes are strictly controlled, focusing on prevention, control, and traceability.
04
We use a strong supply chain management system to offer effective shipping solutions. Rapid prototyping of rubber parts allows for a much shorter product development cycle and speedier market launch.
05
The quality objective of HAISUN Life is excellence with a passion for service.
O-ring dimension accuracy tolerance up to 0.01mm, rubber seals accurate of tolorance up to 0.02mm. Reduced wire diameter to 0.08, reduced inner diameter to 0.14, and reduced outer diameter to 0.3 to better suited your products.
01
ur rubber seals are manufactured following national standards, AS568, JIS, etc., with materials passing third-party certifications like ROHS, REACH, FDA, and are refined with high mold precision, free of burrs and uneven surfaces.
02
ISO Class-100,000 clean room workshop, Utilizing stable performance vulcanization units and precision CNC machining centers. We have a complete production process and testing standard to ensure product sealing and quality stability.
03
Precise testing instruments ensure product compliance, with strict quality control measures to prevent defective products from reaching customers. Production processes are strictly controlled, focusing on prevention, control, and traceability.
04
We use a strong supply chain management system to offer effective shipping solutions. Rapid prototyping of rubber parts allows for a much shorter product development cycle and speedier market launch.
05Keep up with the latest innovations in rubber sealing technology and novel materials from HAISUN.
Keep up with the latest innovations in rubber sealing technology and novel materials from HAISUN.
Phone: +86 15168112857
Address: Industry zone of changhe town, Ningbo city, Zhejiang province, China
