1. We are professional manufacturer of high precision cold drawn seamless tubes, which is widely used in boiler, heat exchanger, superheater, hydraulic and pneumatic cylinder.
2. Standard&material: ASTM A53/A106 Gr. A/B/C, ASTM A179, ASTM A192, ASTM A209 T1, ASTM A210-A/C...
Products: precision universal joint,
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