Internal enhanced thread, ensure high heat transfer efficiency; Cooling capacity from 2.5 TR to 1,000 TR; All self-made components, strict quality & cost control, inspected by our own lab and authorized third party before delivery; 1 to 8 refrigerating circuits available, or as per special design; CE, PED and ASME certificates are optional; Stainless steel evaporator, titanium evaporator, flooded evaporator, spray type evaporator are available; OEM business is welcomed.