Xiangshan Hengyu Plastic Co. Ltd. has developed from a mold making factory to a modernized corporation integrated with research, manufacturing, sales, and import/export that specializes in manufacturing plastic and metal products. The company's major product line is ventilation and air distribution products, including diffusers, grilles and registers, vents, dampers, and other HVAC accessories for the residential, commercial, and industrial construction market.

Xiangshan Hengyu Plastic Co. Ltd., 138 Zhongning Road, Putuo District, Shanghai (200063) P.R.C.; 0086-21-52919366; 0086-21-52919361 (fax); webmaster@china-ventilation.com; www.china-ventilation.com.