... Forging Many used in machinery and equipment, oil chemical industry components CustomizedOEM & ODM are welcomePlace of originKunShan China ... 1987,abundent experience in the manufacture of oil chemical industry forging• 3 workshops occupie20000 square meters, one is ... Jiangsu HenLi high pressure cylinder Inc., LTD • Shanghai zhenhua heavy industry changxing precision casting co., LTD • Shanghai N - J ...