Every HVAC manufacturer knows that without the highest-quality coils, the HVAC units they build won’t stand up to their competition.What if you could source the world’s finest coils – and have them deliv ered in one months’ time? Hangzhou Sail Refrigeration Equipment Co.,Ltd. was founded in 2002 and specialized in the manufacture of HVAC coil for 20 years. We always keep product quality as the best and trusted by customers. We have cooperated with international companies and provided OEM services for more than 10 years. We have gained recognition of stable and on-time delivery from the customers.