zhejiang tongli transmission technology co., ltd-宝威体育bvty

products

focus on the design concept and technology of the ball valve

tr series rigid tooth flank helical gear reducer

tr series rigid tooth flank helical gear reducer

tk series helical-bevel gear reducer

tk series helical-bevel gear reducer

tf series parallel shaft helical gear reducer

tf series parallel shaft helical gear reducer

ts series helical-worm gear reducer

ts series helical-worm gear reducer

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