Baoding Haishuo Industry Co., Ltd is a Global leader in the manufacture of compressed gas cylinder accessories with ISO 9001: 2000 certified.We produce and export all types of Caps, neck rings and gas cylinders with modern set-up of CNC Machines VMC and Q. C. Equipments to provide top-notch quality.

Also, we do business of Speed Reducer for nearly 10 years. We have reliable factory toguarantee the quality of the products, also we can provide the best price.

Any question, welcome here. I will help you and answer as soon as possible.