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Here list some usual question and answer for your reference:

1. MOQ & OEM

As the trusted and professional supplier, we accept the sample order, even for one piece. Also provide the OEM service, sample order is OK.

2. Payments

Usually we support the T/T and Western Union.

3. Delivery

Delivery will be according to your order quantity and products, usually the delivery time is 3 days after customers payment. Forwarder we choose DHL, UPS, Fedex , all by door to door service. Every country will be different freight and shipping time(Gas detector usually need 5~7 working days, AQM normally need 15~20working days).

4. After-service

All products we provide warranty of 12 months.

For more details, welcome to contact us (Email:, best products and service will be provided for you!