Shangqiu Donghe Special Equipment Co., Ltd. is a professional manufacturer of catalytic cracking refinery equipment using scrap plastic, rubber and waste oil. Incorporated in 1997, our company has designed the series equipment with the help from Hangzhou Chemical & Medicinal Engineering Design Institute which possesses the qualification to design petrochemical equipment. Our products sell well not only in 26 provinces in China and but also in some neighboring countries in Southeast Asia. We ...