11 products inside and outside the gall forming spinning technology, weld less beautiful and strong,
while the vacuum leak rate can be further assured;
12, insulation effect. High vacuum multilayer insulation designed to provide not less than 5 years of vacuum shelf life;13, belonging to a portable liquid nitrogen tank. The upper part of a handle liquid nitrogen jars, small volume,
light weight, you can go with one hand and easy to carry. External insulation protective sleeve with strap,
you can trek carrying, collecting specimens very convenient. As semen, embryos, stem cells and other
biological products provide long low-cost storage.