
China Factory Wholesale Best Quality Plastic Tamper Proof Caps for 4L Engine Oil Bottle. Customizable Color Options: Available in red, white, black, blue, yellow, green, orange, and other colors. Customizable Diameter: Offering both standard and custom diameter options for various bottle sizes. Free Sample Availability: Samples are provided free of charge; customer only pays for express freight. Low Minimum Order Quantity: Accepts orders starting from just 1 piece. Fast Delivery for Stock Items: In-stock products can be shipped within 1 day after payment. High-Quality Sealing Performance: Features non-spill, anti-leakage, and anti-corrosion properties with 100% automatic testing. ISO9001 Certified Production: Factory holds ISO9001:2015 certification and UN approval with SGS reports. Rapid Quotation Service: Quotes provided within 3 hours of inquiry, with priority handling for urgent requests.