Haishixing Shandong New Materials Co., Ltd. (former known as Qingdao Laosu Rare Earth Research Institute) is a pioneering enterprise in China¡¯s eco-friendly PVC heat stabilizer industry, specializing in R&D, production, and sales of PVC transparent calcium zinc stabilizers, rare earth composite stabilizers, and specialized additives. Driven by sustainable development through green chemistry, Haishixing is to provide efficient, safe, and environmentally friendly stabilizer solutions, empowering global PVC manufacturers to achieve green production transformation.