1. Our History.

Qingdao TSD Plastic Co., Ltd. Has become a group cooperation through over ten years'unswerving efforts, which is keeping developing new products for pipes anticorrosion joint fittings and plastic welders to meet the demand of international market.

Anqing Great Wall Pipeline Company is committed to provide safe, reliable, flexible and economical solutions for hot tapping and line stop for pressurized water, NG or oil piping system worldwide for many years.

Qingdao Qingke New Material Technology Co., Ltd. is located in the High-tech Industrial Park of Qingdao. It is a joint-stock private enterprise that integrates plastic machinery processing and plastic product production. The company's R&D personnel, based on the technologies from Germany, South Korea and other countries, are courageous in innovation and introduce new technologies to continuously enhance their core competitiveness. They constantly improve the core technologies to continuously upgrade the various products of the company. The integration of experience and technology, and the unification of quality and service, lead to continuous innovation. They have successively developed a series of plastic machinery masterpieces and a series of electric hot melt tapes(sleeves), heat shrink tapes, stainless steel clamps and other connection pipe fittings products.

QINGDAO SUPPORT MACHINERY

It is the leading and professional manufacturer of anti-corrossion products and girth-welding joint products for large diameter plastic pipe, insulated pipe, crude oil pipeline, gas pipeline and so on. And the main products are: Polyethylene electric heating fusion tape, electric hot-melt mantle, Electric fusion belt especially for polyethylene spiral corrugated pipe, plastic welding rod, portable plastic extrusion welders, electric hot-melt welder, radiation cross-linked heat shrinkable sleeve, heat shrinking wraparound band, Auto-welding machine and so on. Since the company has always adhered to "create the industry's brand" as the goal of development, according to the inception of "people-oriented, science and technology-innovation" to approach to business; And the company put the business sincerity as the first place so that it can get the win-win results with their esteemed customers!