Ningbo Yinzhou Aute Seal factory is the most original manufacturer in China and also is one of leading suppliers of metal parts for mechanical seals. Every day, we manufacture various out-of standard products according to customer's special designs.

    We have more than 80 employees and accumulate thousands of drawings about metal parts, such as sleeve, cover, retainer, housing, gland plate, flange, shaft, stamping and so on. Our products outside diameter dimension can get 630mm.

    We supply below material parts.

SS304 SS321 SS316 SS316L SS316Ti 17-4PH(SS630) 2Cr13(SS420) etc. stainless steel

Duplex(2205 F51) Super Duplex(2507 F53) F55

Monel K400 K500 Hastelloy(C-276 B etc.) Alloy20 904L Ti alloy

Copper, Bronze, Phosphor Bronze etc.

Aluminium, Aluminium alloy casting, Zinc alloy casting

Ductile cast Iron, Malleable austenitic cast iron(Ni-resist)

Stellite

PTFE(PTFE+CB, or others)

Spray coating chrome oxide , CM(ceramic) , Coating hard chrome

Other material according to customer’s requirement

    Being a well-organized and experienced manufacturer, we utilize the latest technology and strict quality system in manufacture procedure. Therefore, our products are sold with excellent quality and more competitive price for more than 10 years.