Company Description
Founded in June 2007, Dongying H&H Manufacturing Co., Ltd., is a joint venture bet
Dongying H&H Manufacturing Co.,Ltd.en HIGHLAND Industrial Co., Ltd and American HTI Manufacturing Corp. Located in Shengli Oilfield of SINOPEC, H&H focus on precision cold rolling, anti-wear and anti-corrosion technique, import and export on behalf of Shengli Highland.