Content: One might say that the sales staff's concern is false, purpose, ...【Detail】

Content:The maintenance of the old customers, develop new customers, this...【Detail】

Content:A mistake, no investigation before the meeting. A salesman after ...【Detail】

Content:Speech is an art, marketing is a kind of knowledge. Do you know t...【Detail】

Content:According to the report, ethylene is the petrochemical products o...【Detail】

Content:1) the future of ethylene production will continue to scale, inte...【Detail】

Content:Since this year, China's methanol industry market trend is not go...【Detail】

Content:Since October, domestic aniline market continued the July downtur...【Detail】

Content:The global economic downturn continued, the global chemical marke...【Detail】