Our company overall conducted ISO9002/QS9000 and TL16949 International Quality System Attestation Standard, adopt the modern managing pattern. Introduce the producing line of steel ring,multi-piece steel oil control ring, whole nitrogen,seep ceramics technology from Japan. Our produts carry out all to measure through 100% to make sure no defective products.

At present, we have developed thousands of models to suitable for different market and different customers. We also can produce as your samples and your request. And We are trying our best to offer you the best products and the best service.