例句 /

Shanghai Rong Xin Chemical Industry Co., Ltd. is a company which specialized in producing plastic color powder ,engineering plastics , masterbatch.

Shanghai Rong Xin Chemical Industry Co., Ltd. is a company which specialized in producing plastic color powder ,engineering plastics , masterbatch.

上海蓉新化工有限公司是以生产塑料色粉、色母粒及工程塑料的专业化企业。