Technical Support Service Hotline：
1. On-site service In the normal use process, our company regularly sends technicians to Party A on-site for technical service.
2. On-site technical service in case of failure When Party A has a problem during use, our company will reply to the questions fed back by Party A within 24 hours. To assist Party A to make corresponding normal use.
3. Remote technical support regularly evaluates the use of the three chemical agents makes recommendations. According to the needs of Party A, if necessary, provide operation training laboratory analysis, the specific time will be negotiated according to the use of the product.