... components CustomizedOEM & ODM are welcomePlace of originKunShan China (Main land)2. Shipping & Payment Packing Export package:Parts ... Good Service• International Approvals• Product Performance• Prompt Delivery5.Our main customers• Jiangsu HenLi high pressure cylinder Inc., LTD • ... 46#,etc.according to customers' different requirements.3,main material are 5CrMnMo,40Cr,42CrMo,20Cr2Ni4,5CrNiMo,15CrNiMo, ...