about us shanghai qiguang industry and trade co., ltd. qiguang enterprise was founded in 1988. it is an enterprise specializing in the research and de…
amine catalyst factory invested by qiguang group
qiguang group thailand branch and warehouse
qiguang group vietnam branch and warehouse
qiguang group foshan branch and warehouse
qiguang group yunnan branch and warehouse
qiguang group shanghai company and warehouse
qiguang group zibo branch and warehouse
accidents and problems encountered in actual foam production are diverse, and each production accident is caused by multiple factors. in the analysis …
1. hydroxyl value: the amount of hydroxyl (-oh) contained in 1 gram of polymer polyol is equivalent to the number of milligrams of koh in mgkoh/g. 2. …
what is silicone? silicon, the scientific name is generally called siloxane or polysiloxane. the silicone powder used in the market is generally produ…
the budding period of industrial catalysts the beginning of industrial-scale production of catalytic technology the history of the development of the …