Hangzhou Aozhou Chain Transmission Co., Ltd.

Ervi Brand-Hangzhou Aozhou Chain Transmission Co., Ltd. Is a leading

Manufacturer of a wide range of industrial use power transmission

Components and equipment. Our main series are: Roller chains, conveyor

Chain, leaf chain, agricultural chain and special chains.

-----1. What we do:

Gervi Brand Products Range:

Roller Chains-----(A series& Bseries/Double pitch roller chain/Hollow

Pin chain)

Conveyor Chain------(M-series conveyor chain/MT series conveyor chain)

Agricultural Chain------(CA type steel agricultural chains/ZGS38 Combine

Harvester chains)

Leaf Chains---(LH Hoist chains/BL Leaf chains)

For more details, plz visit our website at: www.made-in-china.com/showroom/gervichain

Our Chain materials are as follow:

Plate: 40Mn, 45Mn

Roller: 20MN

Bush: 20MN

Pin: 30CrMnTi, 40Cr.

All materials are undergo Heat Treatment /Pre stretch/Shot Peening/Sand

Blasting