high purity qualified Bisphenol?S；4,4′-Sulfonyldiphenol 80-09-1 with stable offering ability CAS NO.80-09-1

High purity qualified  Bisphenol S；4,4′-Sulfonyldiphenol 80-09-1 with stable offering  ability

Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service and high product quality, the company now has enlarged the range of pharmaceutical materials (APIs), pharmaceutical intermediates, fine chemicals, reagents and etc...As a pioneer in the chemical industry in China, we do not simply develop, manufacture or supply chemicals, we provide chemical solutions and expertise. Until now ,we has established a long-term and steady business partnership with the companies from more than 30 countries and regions , and get their highly appraised and trusted by our efficient work .

　　During the processing of continued development , zhongqichem also pay high attention on the safety and environmental protection .We set environmental management system to reduce pollutant discharge , and regularize staff safety training .In future , we are looking forward to take more communications with our business partners ,for a healthy ,safe, and green chemical world .

High purity qualified  Bisphenol S；4,4′-Sulfonyldiphenol 80-09-1 with stable offering  ability

WHY US

We do not simply provide chemicals , we provide chemical solutions and expertise;

We have trained, highly effective team to solve the problem at the first time 

Our QMS (quality management system) ensures the product quality strictly;

Strong research and development capability for contract manufacturing

Quality control

Quality is at the heart of the company.

“quality control” and“quality assurance” is as the core in our QMS (quality management system), including procurement, inventory, production, inspection, sales and after-sales management module;

We supervisory control the related whole process of quality from raw materials procurement, warehousing inspection, production plan, feeding capacity, productive process ,FG testing, dispatch, complaints, tracking ,recall till dispose and etc.. eliminate the occurrence of all non-standard quality operations .

We ensure the constant improvement of product quality through the authenticity, accuracy, timeliness and integrity of data records.