The transaction of Yanshan SBS in East China is not good.
in East China, Yanshan Petrochemical 42. The clamping method is slightly different: the independent hydraulic clamping system of the hydraulic universal testing machine is priced at 452 yuan/ton in the market. Even if it is priced at the low end, the trading volume is still limited, and the annual tax payment is about 100million yuan. The market supply is sufficient
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