| | Harris Calorific High-Purity Single-Stage Gas Regulators, Brass 3001147 | 38 | ￥3899.90 | ￥3899.90 | | ￥3899.90 |  |
| | 美国GPI 流量计/累加器，5〜50 GPM 1“NPT（F）过程连接 | 36 | ￥3620.00 | ￥3620.00 | | ￥3620.00 | |
| | Cole-Parmer FR4L69BNBN-CP 浮子流量计 | 12 | ￥1232.00 | ￥1232.00 | | ￥1232.00 | |
| | Cole-Parmer FR2A06BVBN-CP 浮子流量计 | 7 | ￥704.00 | ￥704.00 | | ￥704.00 | |
