Nantong constant heavy industry machinery co., Ltd. was founded in 1952, is a high-tech enterprise in Jiangsu Province, Jiangsu Province, technology-intensive, knowledge-intensive enterprises, Nantong AAA level enterprise that observes contracts and keeps promises. its holding enterprise of Nantong constant heavy industry equipment co., Ltd., Nantong constant heat treatment co., Ltd. and Nantong hengli forging co., Ltd., Nantong constant force non-holding company head of pressure vessel manufacture co., Ltd..

company covers an area of 150 MU, 409 employees, including engineering management staff of 166. company has a brand new TKA6920 CNC floor boring and milling machine of NC boring and milling machine, T6920, φ 160 landing boring milling machine, gantry L6XB3m, L6XB3m gantry milling machine, boring and milling machine 16M CNC heavy-duty horizontal lathe, 11M lathes, 3.5 m vertical lathe, 2M hobbing machine, CNC cutting machine, 10M 4*10 m deep well type furnace, 60m3 large shot dedusting facilities.

company has passed the ISO9001 quality system and national measurement assurance confirmation certificate, and holds 19 patents. and is the upper roll universal plate bending machine and plate for ship main drafter of national industry standard.

company specialized in the design and manufacture of forging equipment, is the largest-scale production of CNC bending machine, double disk friction press machine and manufacturing base of high strength leveling machine.

company products are sold both at home and abroad, domestic market share of more than 45%, and exports to the European Union, Russia, and Japan, Southeast Asia, Middle East, Africa, more than 20 countries and regions.