Built in 1976. Chumen Sealed Parts Factory was the professional manufacturer of all kinds of sealing gaskets. And is one of the member of the suppliersâ?²web. which is belonging to the China Petroleum&Chemical Corporation. China National Petroleum Corporation. and China National Chemical Equipment Corporation. The factory has passed the authentication of AQSIQ, the Number of Manufacturing License is TS2710219-2008. We also gained the ISO9001:2000 certificate, the registration number is Q031554(2000). The factory covers an area of 11, 000 square meters, there into 7, 600 square meters of standard workshop. We are specilized in ring joint gaskets, metal camprofile gaskets, metal spiral wound gaskets, metal corrugated composite gaskets. metal jacketed gaskets, corrugated jacketed gaskets, gaskets with outer metal and inner spring, ect. The field roller of jacketed gaskets and corrugated metal gaskets is the first invention interiorly, when trial-produced successfully in 1980, we are the first who has passed the authentication of AQSIQ, the serial number is (90)AQSIQ No. 228, also we enjoy a high reputations in home and in abroad. We are all available to manufacture the productions as per the standards of ASME B16. 20. API. JPI. DIN. BS. GB. JB. SH. HG. ect. The main materials:Carbon steel. Soft Iron. Cr5Mo(F5) . SUS304. SUS321. SUS316L. SUS347. SUS410(1Cr13). SUS405(Ocr13) . SUS410L(OOCr12) . INCONEL. T2. L2. Ti2. MONEL625. PTFE. FLEXIBLE GRAPHITE. ASBESTOS BOARD. CERAMIC FIBER. ect. We adhere to the principle :"THE QUALITY AND THE CUSTOMERS FIRSTâ??, insist on "PEOPLE-ORIENTED". We believe in that quality is a factoryâ?²s blood, technological improvement and innovation is the power, while the fully QA is the aim. We offer outstanding quality, fair prices, knight sarvice, in order to fully carry out the project of "Satisfy the Customers. " We would be very pleased that we make contributions to the sealing business of china in line with the international.