Laboratory procurement of original Hanna acidity calibration solution HI7004L 4.01 pH buffer; domestic brands are acceptable; long-term repeat orders. #34

Seeking long-term supply channel: Our company regularly purchases original Hanna acidity calibration solution HI7004L 4.01 pH buffer every month, specification 100 mL/bottle, purity requirement ≥99%, domestic brand acceptable. For the first cooperation, we will place a trial order of 200 units first. After passing inspection, an annual framework agreement will be signed. Delivery in Xiamen, including a 13% VAT special invoice. Please quote the unit price including freight.