the presence of antioxidant 4020 consumed in the production process, high energy consumption, sewage and other issues, and the product will be on tires produced in copper copper harm. Masking tape
Qingdao University of Science and independent research and development of new technology production of rubber antioxidant 4020 key, Jan. 16 officially completed a two-month trial license. Compared with the prior art,Washi tape
the technology significantly reduces production costs and achieve zero discharge of wastewater, simplifying the process and reducing the investment unit of 1/3, broke through the blockade of foreign technology.Wholesale masking tape
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