1. Water capacity:20-150mm 2. Outside diameter: 232/356/406mm 3. WP: 20Mpa test pressure: 30MPa 4.Marerial:34CrMo4. Material Steel Use CNG Pressure High Place of Origin Zhejiang, China (Mainland) Brand Name TE Model Number CNP20-100-406A industry cylinder high pressure gas cylinder CNG steel cylinder cng cylinder Certification ISO and BV Payment & Shipping Terms: Price: Get Latest Price Minimum Order Quantity: Negotiable Trial Order Minimum Order Quantity: 125 Piece/Pieces 1 x 20FT ContainerTrial Order Port: Ningbo. Packaging Details: In loose bulk or wooden package. Each piece covered with a plastic net bag. also according to customers request . Delivery Time: 30 days after received L/C or T/T Payment Terms: L/C,T/T Supply Ability: 300000 Ton/Tons per Year.