Ụlọ ọrụ mmepụta ihe, ihe nchekwa nchekwa iji gboo mkpa gị.
Osisi mmepụta ihe atọ nke oge a, ụlọ ọrụ mmepụta ihe asatọ, na-ekpuchi mpaghara 30,000 square mita, Qingdao, Inner Mongolia, ningxia atọ mmepụta ntọala nke 30,000 tọn polyethylene wax mmepụta ntọala.