１２月１８日，重庆市、江津市环保局的部分领导和专家一同来到四维瓷业，检查了该公司已通过竣工验收的９０万件卫生瓷技改工程的环保设施。四维瓷业卫生瓷技改工程于１９９９年破土动工，２０００年投入生产，年产高档卫生陶瓷９０万件，其中投入污水处理、余热利用的环保设 On December 18th, some leaders and experts from Chongqing Municipality and Jiangjin Environmental Protection Bureau came to Siwei Porcelain to inspect the environmental protection facilities of the 900,000 sanitary porcelain technical renovation projects that the company had passed the acceptance check. The four-dimensional Porcelain Porcelain Technical Transformation Project started in 1999 and was put into production in 2000. The annual output of high-grade sanitary ceramics was 900,000, including environmental protection for waste water treatment and waste heat utilization.