... equipment, oil chemical industry components CustomizedOEM & ODM are welcomePlace of originKunShan China (Main land)2. Shipping & Payment Packing Export ... one is machining workshop• Price• Country of Origin• Quality Approvals• Form E/F/A/B;CO;FTA,ETC• Country of Origin• Guarantee/Warranty• Good Service• ... and less than 2 complaint cases . 2, material of steel type of 15#,20#,25#,30#.35#,40#,45#,46#,etc ...