S1011 165660-09-3 chiral dopant 17years of PDLC liquid crystal production experience. Qingdao QY Liquid Crystal Co., Ltd. is a professional manufacturer of liquid crystal material and Nematic liquid crystal in China, especially for PDLC materials. Our factory has the R & D ...
Vapor phase liquid nitrogen freezers are suitable for the cryopreservation of large quantities of biological samples such as stem cells, embryos, vaccines, etc. They are made of low-temperature resistant stainless steel, have large capacity and are easy to operate. They are ...
Vapor phase liquid nitrogen freezers are suitable for the cryopreservation of large quantities of biological samples such as stem cells, embryos, vaccines, etc. They are made of low-temperature resistant stainless steel, have large capacity and are easy to operate. They are ...