THT?was established in 1986. With nearly 40 years of development, it has become an international brand enterprise integrating design, research and development, manufacturing, sales and service. We provide servers to multiple industries such as?Marine, ?Nuclear, Biomass energy, New energy, Power, Petroleum, Metallurgical, Chemical, Heating industry. ?We continuously enhance energy efficiency through heat exchange technology innovation to create greater value for our customers.

Qinhuangdao Dacheng Seafood Co., Ltd The company is famous for scallop products to the world. Qinhuangdao is one of the main farms where scallops cultivated, the graphic advantages guarantee our scallops can be fresh frozen and the top quality to reach our oversea customers. During years of our staffs' efforts, the company's field included many items of seafood and have built long term business with global wholesalers and importers.

BOQU Instrument focuses on technological innovation in water quality analyzers and water quality sensors since founded at 2007. Now staff is over 100 people and with an annual growth rate of 35%. We have own R & D center, many senior engineers has over 10 years R& D experience...Now BOQU has got more than 50 technical certificates for controller software and over 20 technical patents, therefore we won the National High-tech Enterprise Certificate in 2010. At present, the annual quantity of water quality sensors and meters is over 100, 000PCS, it let BOQU instrument become the biggest factory in water quality analyzers in Shanghai China.

Yingxinfeng was founded in 1999 and is now located in Xiamen, a beautiful coastal city in China.