Tianjin Binhai Longtai Technology Development Co., Ltd.

Tianjin Binhai Longtai Technology Development Co., Ltd. (hereinafter BHLT) is located in Tianjin, which has an international port and steel pipe production base in Northern China. BHLT is an awarded National High & New Technology company that focuses on R&D, manufacturing, and marketing of the mandrel bar for seamless pipe. In 2011, our highly precise and multiple specification mandrel bar won financial support from the Ministry of Science and Technology of China. We built up a specialized department and R&D Center to sharpen the manufacturing technique and to smooth the production process. We own the intellectual property for the mandrel bar, including seventeen utility model patents and two invention patents. By modifying the processing technique, BHLT remarkably increases the product life span. BHLT has verified certificates and satisfies all the production requirements regulated by the industry and government, such as ISO9001-2008 Certificate of Conformity of Quality Management ... [more]