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The company's main research and development, production and sales of various fluid sealing devices such as rotary joints, metal hoses, syphons and related supporting products. The main products have been introduced in the previous issues. This issue will briefly introduce related accessories.

1. O-ring（JB/T 7757.2-2006）


2. The spring（GB/T 1239.2）


3. The gasket 　
　

4.Transition joint
　 　
　
5. Quick connector 　
　

6.Seal Ring（JB/T 8872）