Transparent Greenhouse covering Film with anti-uv 1,ISO 9001:2008 & good service 2,ISO CERTIFICATION 3, 15 Tons /day Transparent Greenhouse covering Film with anti-uv 1. Greenhouse application2. Anti-UV, Anti dew3. Long life using, 1--4 years 4. Warm-keeping, waterproof, transparency for sunlight on plant5. Strong strength of pulling6, ISO CERTIFICATION