Dongguan Car Battery Box Processing - Manufacturer - Price - Wholesale Dongguan Yuanyuan Blowing Molding Products Co., Ltd. is a modern manufacturing enterprise integrating research and development, design, production, sales, and service, producing various vacuum blowing molding products. Large molding area of 3M*2M*1M, with a molding thickness up to 12MM. Products are widely used in medical device casings, car panels, toy car shells, refrigerator interiors, food, plastic hardware electronics, and other industries.