Our company offers variety of products which can meet your multifarious demands. Such as steel pipes, pipe fittings, flanges, pipe spools...

Established in 2003, ZIBO UNITY is a professional manufacturer and exporter of many styles of high grade and top quality refractory and thermal insulation materials. Our products mainly include ceramic fiber products, fiberglass products, calcium silicate products, rock wool products, rubber foam insulation materials and fire insulation bricks & high temperature ceramic products. Other new products are researching and develoing continuously.

1. Our History.

Liaocheng Xinglong Seamless pipe Manufacturing Co., Ltd is founded in 2004, Covering an area of 15000 square meter. And the total asset is above 250 million Yuan. There are 850 staff members including 180 technicians in our company. Annual output is 60, 000 tons. We also establish an effective complete quality control system. In 2006, our company obtained the authorization of ISO9001 Quality System. And it started to run in accordance with API 5L and API 5CT in 2009.

Changzhou Jiahao Refrigeration Equipment Co., Ltd., founded in 2013, is located in Changzhou City, Jiangsu Province, which is only one hour to Shanghai or Nanjing by train. It is a diversified manufacturing enterprise integrating professional design, research, development, manufacturing and sales service of refrigeration.

HDSTEEL Group (HD-STEEL) was established in 2011 and is located in Yanshan Industrial Zone, Cangzhou, Hebei, well known as China's "Pipe Fittings Capital. " With a registered capital of RMB 8 million and a 5, 000 m2 production facility, we are a professional manufacturer and supplier of steel pipes, flanges, and pipe fittings.

Our company and Shandong Datang energy-saving Materials Co., Ltd. is an associated enterprise.

Hebei Cangtie Industrial Co., Ltd. is one of the large-scale enterprises specializing in steel pipes and pipe fittings in Hebei Province. Since its establishment, the company has continued to deepen its roots in the steel pipe industry and has achieved remarkable results. The company has a registered capital of 50 million yuan and has strong financial strength, which provides a solid guarantee for business expansion and technology research and development.

Tianjin HuiliFeng anti-corrosion insulation steel pipe Co., Ltd. is the production of various anti-corrosion steel pipe professional manufacturers, in 2009 the People's Republic of China special equipment manufacturing license.

JNFLEX (CHANGZHOU) Co., Ltd. (formerly known as Changzhou Jiangnan Prestressed Corrugated Pipe Factory), established in 1995 and located in Changzhou, Jiangsu province, is a high-tech enterprise dedicated to providing customers with flexible connection and protection products and solutions. We specialize in the design, development, production, and technical service of various corrugated ducts, flexible ducts and tubes, stainless bellows, and a variety of plastic corrugated hoses. Since 1995, JNFLEX has grown into a large-scale enterprise with over 120 employees, more than 20% of whom are R&D personnel, and has obtained ISO9001 and IATF16949 certifications. Our products serve a variety of industries, including construction and infrastructure, automotive and marine, high-speed trains, steel metallurgy, environmental protection, and the new energy industry. All Material Manufacturing Is Done By Trained And Experience Man Power With The Help Of High Tech Machineries. We have established long-term collaborations with Fortune 500 companies both domestically and internationally. Our sales network spans more than twenty provinces, municipalities, and autonomous regions across China, and we have exported to Europe, North America, Southeast Asia, Australia, South America, and Africa for many years.

MESCO STEEL was founded in 2007, headquarter locates in Dalian city, Liaoning province, now there are 32 employees. MESCO is a famous supplier of coated steel series products in northeast China, it is the biggest private steel export enterprice in this area as well. The main products are: Aluminized steel; ZAM steel; Prepainted coil / sheet; Powder pre-painting steel; Galvanized steel coil / sheet; Galvalume steel coil / sheet; Cold rolled steel coil / sheet

? ? Over the past more than ten years, the company has completed a strategic upgrade from 'deepening domestic sales -- building technical foundation -- global layout' with its own factory as the cornerstone. In the first eight years, it focused on the domestic market and became a leading core supplier for high-speed rail and power grids, leveraging its technical advantages in polyurethane new materials and transformer components.