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General items: Plastic product manufacturing; Plastic product sales; New material technology research and development; Eco-environmental material manufacturing; Eco-environmental material sales; Bio-based material manufacturing; Bio-based material sales; Daily general merchandise sales; Daily necessities sales; Synthetic material sales; Metal material sales; Hardware product wholesale; Chemical product sales (excluding licensed chemical products); Import and export of goods; Import and export of technology; Special packaging equipment sales; Special packaging equipment manufacturing; Industrial textile product manufacturing; Industrial textile product sales.