Frequently Asked Questions

Yes, our door closers are engineered to meet global standards. Our export models are CE marked and compliant with EN1154 certified standards for European and international markets, ensuring high durability and performance. We can provide official test reports and certificates upon request before you place an order.

We offer both fixed size options from Size 2 to Size 6, as well as Size 2-6 adjustable spring power models. These options fit various door widths and weights from 20kg to 150kg. Send your local door specifications, including door width, door weight and application environment, to our sales team, and we will recommend suitable models for your region.

Absolutely. We offer comprehensive OEM/ODM services:

• Logo Silk-screen Printing: Free of charge on the door closer body or metal cover for orders meeting our minimum quantity.
• Custom Packaging: We can print branded color boxes and installation templates, including 1:1 paper templates.
• Custom Finishes: Available in Silver, Bronze, Gold, Matte Black, White or customized RAL colors.

• Trial/Sample Orders: No strict MOQ. We support 10-20 pieces from ready-to-ship inventory so you can test quality and market response.
• OEM/Customized Orders: Generally 300-500 pieces per model or color. We remain flexible for initial trial orders.

We commonly support EXW, FOB (typically Shenzhen, Guangzhou or Ningbo), CFR and CIF terms.

• LCL/FCL Shipments: We can work with your nominated freight forwarder or quote ocean and air freight through our shipping partners.
• Samples/Urgent Orders: We ship via DHL, FedEx, UPS or TNT, typically within 3-7 business days.

• In-stock Items: 3-7 business days.
• Mass Production: Usually 25-35 days after receiving the deposit, depending on customization requirements and the production schedule. A confirmed delivery date will be stated in the Proforma Invoice.

For standard wholesale orders, we require a 30% T/T deposit in advance, with the 70% balance paid before shipment or against a copy of the Bill of Lading. For large-scale project orders, we also accept an irrevocable Letter of Credit (L/C) at sight. Payment channels include T/T bank transfer, wire transfer and secure local collection channels such as XTransfer.

We offer a 3-5 year quality warranty, depending on the model, from the date of shipment. Since returning products internationally is costly, we handle defects through the following methods:

• Free Replacements: We can include 1%-2% free spare parts, such as arms or screw packs, with your bulk order.
• Credit or Replacement: If manufacturing defects such as oil leakage or spring failure occur during normal use within the warranty period, we can credit the value in your next order or send replacements with your next shipment.