![]() Permanent Steel Manufacturing Permanent Steel Manufacturing is a supplier of different kinds of carbon steel pipe, stainless steel tube, hollow section, and numerous types of piping equipments. | ![]() Jiangyin Donghao Stainless Steel Pipe Jiangyin Donghao Stainless Steel Pipe is a company that manufactures tubes and pipes for petroleum, heat exchanger, and machining industry. | ![]() Zhejiang Guanyu Steel Tube Zhejiang Guanyu Steel Tube (also known as Guanyu Tube) is a company that manufactures metal products. | ![]() Nonferrous Metal Castings Nonferrous Metal Castings of Shandong University (also known as Jinan Shanda Nonferrous Metal Casting, 济南山大有色金属铸造有限公司) is a company operating as a metal production enterprise. | ||
Founding Date | Founding Date N/A | Founding Date 2006 | Founding Date 2003 | Founding Date 2009 | Founding Date 1992 |
Type | Type Private | Type Subsidiary | Type Private | Type Private | Type Private |
Tags | |||||
Locations | Locations Changsha Shi, CN HQ | Locations Wuxi Shi, CN HQ | Locations Lishui Shi, CN HQ Changzhou Shi, CN | Locations Taizhou Shi, CN HQ | Locations Jinan, CN HQ Jinan, CN |
Employees | Employees 871% increase | Employees 350 | Employees N/A | Employees 15 | Employees 126 |

Jiangyin Donghao Stainless Steel Pipe is a company that manufactures tubes and pipes for petroleum, heat exchanger, and machining industry.
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Zhejiang Guanyu Steel Tube (also known as Guanyu Tube) is a company that manufactures metal products.
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KWK STEEL is a manufacturer of steel and nickel tubes.
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Nonferrous Metal Castings of Shandong University (also known as Jinan Shanda Nonferrous Metal Casting, 济南山大有色金属铸造有限公司) is a company operating as a metal production enterprise.
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