119 is China fire telephone. On the day of 11.9, we started a fire drill, it enhanced our safety awareness and self-care skills and laid a solid foundation for our values - HEALTH & SAFETY.
Hot-melt filter bags are called high-precision PP wireless seam filter bags, and have a variety of production processes
PTA is purified terephthalic acid (PureTerephthalic Acid). It is one of the important bulk organic raw materials.
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