50mm Welded Black Tube

Hebei Qinyi steel pipe sales Co., Ltd is one of the largest professional pipe manufacturers in north of China, located in China's largest pipeline equipment manufacturing base - Yanshan. The parent company covers an area of 150, 000 square meters, with the registered capital of $3, 000, 000, specializing in manufacturing various types of square tube and steel pipe.
Our products are in accordance with API SPEC 5CT\API SPEC 5L\ASTM A53\EN10217\EN10219\EN10255, GB/T9711.1\GB/T9711.2\GB/T13793\GB/T19830\SY/T5768 standard and widely used in industries of petroleum, natural gas, ship building, chemical, environmental protection, boiler, water conservancy, electrical industry, steel structure, building and other related fields. With our advanced manufacturing equipment, complete testing equipment, and timely after-sale service, Our products has won high reputation in both domestic and international market. We export to more than 40 countries and areas, such as Singapore, Malaysia, Italy, Poland, Dubai, India, South Korea, Thailand, Iran, Brazil, Spain and other countries.
"Self-motivation and decent morals" is our core principle. Meanwhile, with belief of acting from the market demand and the spirit of teamwork, we are capable of assisting our client to achieve business success.