免费一级毛片,一级毛片在现观看,爱在空气中特别篇,久久精视频

Welcome to Dongying Runze New Material Co., Ltd...


——  Heptane (94-99)  ——

Distillation range: 94 ~ 99; Density: 681-716
Products Uses: Industrial heat removal conversion, mainly used for heat conversion in PVC production.
Packaging, storage and transportation: sealed with iron bucket or tank car. Storage should be placed in a dry and cool place, and the warehouse should be provided with ventilation facilities to avoid contact with water to prevent hydrolysis. Transportation should comply with the provisions of the People's Republic of China on the transportation of dangerous chemicals by roads and railways.



+86-546-6600777