Name:12.00R20 butyl inner tube Material:Butyl rubber Color:Black MOQ:500 pieces Delivery time:1 week for small order,10 days for big order(more than one container) Certification: ISO9001:2008 Payment terms:L/C,T/T 30% deposite Packing details:inner package:plastic bags;out package:woven bags or carton boxes Zhengzhou General rubber products Co., Ltd. is specialized in manufacturing all sires of tyres, butyl inner tubes, natural rubber tubes and flaps.Sincere service and high quality is our external pursuit. We are serving our customers all over the world.Our products advantage: 1.Performance: Good air tightness, anti-aging, anti-corrosion, excellent wearing resistance and good appearance 2.High quality material , Advanced equipment , High technology. Strict production management & inspection . 3.Big Production ability to ensure fast delivery. 4.Free sample will be provided to check the quality.