星空影院在线观看全集免费高清_九一麻花传剧mv在线看完整版_麻花mv无痕免费观看完整版短视频_麻花传剧原创MV在线看高清_星空影院电视免费观看_天美麻花星空高清免费观看完整版_天美传奇少女mv高清在线_吞噬星空樱花动漫免费观看高清_吞噬星空原始星_麻花影视在线看电视免费

Time：2018-11-05
Name：Petrochemical Projects
Valves：Pneumatic diaphragm regulating valve，pneumatic flange butterfly valve

Petroleum projects include exploration, development and production of crude oil and natural gas; pipeline transportation of crude oil, natural gas and products; refining crude oil into petroleum products, etc. Petrochemical industry, generally refers to the chemical industry using oil and natural gas as raw materials.

Metals, inorganic non-metallic materials and polymer synthetic materials are known as the three major materials. At present, the output of polymer synthetic materials provided by petrochemical industry in the world is about 145 million tons. In 1996, China has exceeded 8 million tons. In addition to synthetic materials, petrochemical industry also provides the vast majority of organic chemical raw materials. In the field of chemical industry, in addition to chemical products provided by chemical minerals, raw materials for petrochemical production have shown themselves in various departments.

Where there are pipelines, there are valves. Valves are the implementers of control signals. FLOWX's pneumatic diaphragm control valves and pneumatic butterfly valves are widely used in petrochemical industry.