... chemicals,pharmaceuticals,foodstuff etc. Jiesheng manufactures Pressure Vessels/Reactors in SS 304/316 Quality suitable for chemicals, pharmaceuticals, foodstuff, petrol, dye, and ... chemical technical processes.Main Features:1) Material: austenitic stainless steel 304, 304L, 316, 316L, 321 2) Gland equipment: packing seal and ...