1: Are you a trading company or a manufacturer ?
We are a professional manufacturer of couplings and universal joints.
2: Can You Strictly Follow The Tolerance on The Drawing And Meet The High Precision?
Yes, we can, we can provide high precision parts and make the parts as your drawing.
3：How long does it take to delivery?
Generally, it is 1-2 days if the goods are in stock. or it is 5-10 days if the goods are not in stock, it depends on quantity.
4：How to deal with the parts received when they are found to be in poor quality?
A: In case of non- conformance, please contact us immediately, we will check the problems and have them reworked or repaired at the first time. If none of these works, we support a refund.
5:What express do you use to send the Diaphragm Coupling samples?
A : Usually we ship sample via DHL , UPS , FedEx , DPEX , ARAMEX or SF . Fast about 3-5 days , slower about 7-14 days to arrive.