九九99靖品,欧美日韩亚洲高清不卡一区二区三区,日韩欧美精品在线,免费一区,日韩国产精品欧美一区二区,国产福利一区二区三区四区,欧美日韩精品高清一区二区

Completely oil-free biogas compressor

Fully oil-free biogas recovery compressor
All oil-free design, guide, piston ring using self-lubricating material, 100% oil-free lubrication, bearing parts using high temperature grease lubrication, to avoid the compression process of gas pollution, to ensure gas purity. All piping stainless steel design, corrosion resistance, high life.

Product details