... single piece between 50kg and 5t 4,304 heavy-duty flange Packaging & Delivery Packaging Detail:wooden package ... HenLi high pressure cylinder Inc., LTD • Shanghai zhenhua heavy industry changxing precision casting co., LTD • Shanghai N ... power rotation co., LTD etc. 1, professional UT center and less than 2 complaint cases . 2, material ... materials. 5, excellent heat treatment. 304 heavy-duty flange