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About Us

Tianjin Grand Construction Machinery Technology Co, Ltd is a professional pipe fittings manufacturer covering an area of 100000 square meters.We specialize in the manufacture of various of industrial pipe fittings including pipe elbows, pipe tees, pipe crosses, pipe reducers, pipe caps, flanges and more. All products produced based on American standard ASME(ANSI), European standard EN, German standard DIN ,Japanese standard (JIS) etc. Our commitment to continuously produce quality products has earned us international recognition in the following industries: power generation, oil, gas, chemicals, shipbuilding, food, medical, heating, papermaking, metallurgy, and more. With our skilled, qualified team, we are able to provide the best solutions to meet your needs.
Quality is our top priority. Over the years, we have worked hard to solve problems related to our products, improve the designs for better performance, and implement a strict quality management system to control every process of production. Our advanced production equipment also ensures the quality of our products, which helps us save raw materials, shorten production time, and reduce production costs. Our products are of high quality and reasonable price, and are well received by many countries such as Brazil, The united States, Bangladesh, Germany and so on.
“High quality product, Copetitive price, Professional service.” We will take advanced management and innovative ideas as the core driving force of the company to provide customers around the world with high-quality, practical and reliable pipe fittings.

butt weld elbow
butt weld elbow
Ansi cast steel globe valve
pipe fitting elbows


On the basis of accumulating talents, technologies, brands and the scale advantage, positively moves to build up the market network as a key. At present, we has gradually formed sales systems of diversity, friendly business partnerships have been setup.

Market network