... time 4.certificate:ISO QS ZI BO BAORUNJIA PLASTIC CO., LTD Our company is specialized in producing (LDPE/LLDPE/HDPE) heavy ... ,the company was as green business,strict quality control,the products have passed ISO 9001 quality system certification,CQC quality system ... widely used in re-packaging,such as granules,powder like chemical products,fertilizer,salt,deicing salt,rice and so on.workers are ...