Tel:0535-8639820
Address:Longkou Waterfront Resort Industry Zone, Shandong, China
Copyright ShanDong LongKou Special Rubber Hose CO.,LTD Powered by www.300.cn manager
NEWS INFORMATION
The company has won the "science and Technology Progress Award" in many provinces, municipalities and municipalities.
Because of its high technology content and advanced performance, it is a national branch.
The company has four national patents and produces ultra-high pressure drilling.
And approved by the American Petroleum Association API Spec 7K and API Spec 16C.
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