Ai Zhi Han

Part of Shengli Oil & Gas Pipe Holdings Ltd., Shandong Shengli Steel Pipe Co., Ltd. is a Chinese company that manufactures oil and gas pipelines. The private company is based in Zibo, China.

Zhejiang Shengguan Industrial Co., Ltd. engages in the provision of steel pipe and anti- corrosion engineering and technical advisory services. Its business scope includes metal components corrosion insulation; equity investment and investment advice; steel pipe and anti-corrosion engineering and technical advisory services; warehousing services; manufacture and sale of spiral welded pipe, straight seam welded pipe, H-beam, steel sheet pile, steel components, cold curved open steel, metallic material, anti-corrosion steel pipe, insulation pipe, and water supply equipment; and wholesale and retail of mineral products, coal electrolytic copper, electrolytic nickel, fuel oil, and chemical raw materials and products. The company was founded on August 3, 2017 and is headquartered in Jinhua, China

Hunan Shengli Xianggang Steel Pipe Co., Ltd. produces and sells welded and bend pipes. The private company is based in Xiangtan, China. The Chinese company was founded in 2011. The CEO is Fang Li Liu.

Part of Shengli Oil & Gas Pipe Holdings Ltd., Shandong Shengli Steel Pipe Co., Ltd. is a Chinese company that manufactures oil and gas pipelines. The private company is based in Zibo, China.

Part of Bayston Investments Ltd., Shengli Steel Pipe Co. Ltd. is a Chinese company that operates as a steel pipe coating technique consultancy. The private company is based in Zibo, China.

Zhejiang Shengguan Industrial Co., Ltd. engages in the provision of steel pipe and anti- corrosion engineering and technical advisory services. Its business scope includes metal components corrosion insulation; equity investment and investment advice; steel pipe and anti-corrosion engineering and technical advisory services; warehousing services; manufacture and sale of spiral welded pipe, straight seam welded pipe, H-beam, steel sheet pile, steel components, cold curved open steel, metallic material, anti-corrosion steel pipe, insulation pipe, and water supply equipment; and wholesale and retail of mineral products, coal electrolytic copper, electrolytic nickel, fuel oil, and chemical raw materials and products. The company was founded on August 3, 2017 and is headquartered in Jinhua, China

Zhejiang Shengguan Industrial Co., Ltd. engages in the provision of steel pipe and anti- corrosion engineering and technical advisory services. Its business scope includes metal components corrosion insulation; equity investment and investment advice; steel pipe and anti-corrosion engineering and technical advisory services; warehousing services; manufacture and sale of spiral welded pipe, straight seam welded pipe, H-beam, steel sheet pile, steel components, cold curved open steel, metallic material, anti-corrosion steel pipe, insulation pipe, and water supply equipment; and wholesale and retail of mineral products, coal electrolytic copper, electrolytic nickel, fuel oil, and chemical raw materials and products. The company was founded on August 3, 2017 and is headquartered in Jinhua, China