Shandong Tanglian Chemical Equipment Co., Ltd, is a branch company & factory of SHANDONG TANGLIAN HEAVY INDUSTRY GROUP.

Guangzhou Jiema Heat Exchange Equipment Co., Ltd. Is a direct manufacturer of plate heat exchanger, air radiator, shell and tube heat exchanger, pressure vessel and revelant heat exchanger spare parts (plate, finned tube, gasket ), devoted to service to HVAC, chemical industry area, food, papermaking and so on since 2005. Invested 2 billion at Xiaochi Industry Zone, Huanggang City of Hubei in 2011, to build Jiema Industrial Park, including comprehensive heat exchanger and related spart parts.

To address and serve the emerging Chinese auto parts manufacturing industry by providing access to a broad base of manufacturers and to assist in consolidating shipments and necessary documentation.

Hoyo Scitech Co., Ltd. is a high-tech company focusing on electronic intelligent products and life and health fields. The headquarters is located in Hefei, Anhui. The company produces a full range of various types of electric fans, air circulation fans, bladeless fans, humidifiers, hospital manual beds, hospital electric beds, hospital lockers and bedside tables, hospital pediatric bed, stretcher, trolley, women's hydraulic gynecological bed, operating table, household oxygen concentrator, medical oxygen concentrator, medical oxygen concentrator, diffusion oxygen concentrator, oxygen cylinder, oxygen mask, disposable nasal oxygen tube, color Doppler ultrasound diagnostic equipment, electronic weight scales, hyperbaric oxygen chambers, surgical gowns, sleep apnea treatment equipment, nebulizers, oximeter, sphygmomanometer, thermometer and other products. Not only domestically recognized, but also exported to 98 countries.