cork rings for round bottom flask oem

{"cid":"91204499","title":"Anti Alkali Nontoxic Cork Ring Stand For Round Bottom Flask Support OEM","imgUrl":"https:\/\/img.ismap.com\/nimg\/04\/95\/f06cd95d6fbf72fe825aa74ba72e-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Yuelin","Model Number":"YZL-NCC-CBLF-20","Minimum Order Quantity":"5000pcs","Delivery Time":"25-35 work days","Certification":"FSC, BSCI, FDA, LFGB, PROP65, ISO9001","Place of Origin":"Shandong, China","Payment Terms":"L\/C, T\/T","Supply Ability":"100000pcs\/day","Packaging Details":"OPP bag + carton","Features":"non-toxic, acid and alkali resistance, corrosion resistance, heat insulation and moisture proof, lightweight, Concave recess on top to increase stablity","Usage":"Lab flask, and other round bottom container, etc.","Function":"Laboratory supplies flask care, and good assistant for laboratory experiments","Material":"100% Natural cork","Color":"Natural color","Sizes":"O.D. 80-160mm, or custom","OEM\/ODM":"Yes","Logo":"Custom"}}