Xinxiang Panshi Instruments Co., Ltd. is a professional liquid nitrogen tank manufacturer with R&D, production and sales department, located in the Da Zhaoying Filter Park in Xinxiang City, Henan Province. The factory covers an area of 3,000 square meters, icnlude 8 vacuum production lines, pull-up foundry workshop, cutting and rounding workshop, welding workshop, wrapping workshop, office area and so on. We have 2 masters with 18 years of first-line production experience, Research and Developm