Glass test tubes with screw mouth with black caps/glass test tubes with thread caps/lab tubes with black lids
Spec.: Outer diameter of tube:13*100mm total length
Material: Borosilicate glass 3.3(High borosilicate glass)
Shape: with screw mouth and round bottom, can do flat bottom if need.
OEM: Accepted
Min order quantity: 10000pieces
Free samples can supply, courier cost to collect.
Sample shipping by express. such as DHL. UPS. FEDEX. EMS.etc.
Packing way: Carton packing
Delivery time: within 22days
Price validity: 30days after the offer.
Loading port: Qingdao port or any port of China.
Audited Supplier 
Audited Supplier 
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