Anqing Diamond (DMD) Piston Ring Joint Co., Ltd.

Anqing Diamond is well-equipped with alloy cast iron production lines, ductile cast iron production lines, stall band oil rings lines, and surface treatment lines. Our company has compound chrome plating, gas nit riding, salt nit riding, ceramic penetration, and nana-meter, as well as plasma spraying and advanced surface treatment techniques and equipment. We are also equipped with light score analyzers, outline analyzers, pattern analyzers, metallography analyzers, and Japanese & German examine instruments and techniques. Our company can produce 12 million sets with all types of piston rings which are strictly controlled according to ISO9001:2000. Our products have been widely distributed to Europe, America and Japan, and are popular among international customers. We also put more stress on sales service so as to meet the needs of customers. Anqing Diamond will continue to devote ourselves to bringing new ideas to our technique and organization. We will also enrich our enterprise culture. At the beginning of the 21st century, a time full of hope and challenge, we hope to work with our partners with excellent quality products.