Henan Tongda Heavy Industry Science And Technology Co., Ltd., which is a famous and large enterprise specialized in researching and developing, designing, manufacturing and selling organic and compound fertilizer equipment, was founded in 1983 and registered "Tongda" as brand in 2003. In 2004, the company was expanded to Xingyang Longgang Development Zone covering a standardized heavy industrial plant of 60,000 square meters. At the same time, the international advanced large and medium-sized gold processing equipment have been introduced, including 10 processing centers and 3 sets of laser cutting machines, more than 100 sets of all kinds of equipment in total.