Product Parameters Lab Flat-bottomed Glass Test Tube with Cork Used for lab or medical equipment Custom logo and label are available Rugular Size with cork: Diameter Length 18mm 80mm 100mm 145mm 180mm 20mm 120mm 150mm 180mm 200mm 21mm 90mm 160mm 165mm 180mm 22mm 90mm 100mm 150mm 250mm 25mm 80mm 120mm 180mm 200mm 30mm 100mm 120mm 150mm 240mm Rugular Bottom Size: 10mm 12mm 15mm 18mm 20mm 21mm 22mm 25mm 30mm 32mm 35mm 40mm Accept custom irregular sizes MOQ: 10,000pcs Sample: Free samples are provided Terms of payment: TT, 30% deposit before production and 70% balance before shipping Product Description Plastic/Glass Round/Flat bottom Optional sizes test tubes are provided or can be customized Packaging & Shipping Company Profile FAQ Q1: What is the MOQ? A: Usually is 10,000 pcs. Q2: What about payment terms? A: TT, 30% deposit before production, 70% balance before shipping. Q3: What about the lead time? A: Normally 7-15 days depends on the order quantity and requirement. Q4: What about the shipping method? A: DHL/UPS/FEDEX/TNT/Aramex DDP service / By air or by sea. Q5: What if any damage occurs during the transit? A: We will compensate you the same quantity of new goods free of charge. Q6: Can we get free samples? A: Our free samples are provided but the express freight may be on your account.