Hangzhou Sheng Long Refrigeration Equipment Co., Ltd. specializes in the research, development, production and marketing of PVC (polyvinyl chloride) and various particle PVC profiles, boxes, tubes, frames and decorative products. In addition, we also specialize in the development and production of insulating glass. Our annual production capability is more than 2,000 tons of various transparent, colorful, hard and soft PVC particles and more than 500 tons of all kinds of PVC products,And our annual production of insulating glass is 100 000 sets.



Our company enjoys unique...