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Q1: Can your company provide samples? A1: Yes, we will charge the sample fee. Q2: What is delivery period for your company? A2: The delivery time of mass order depends on the quantity you ordered,Please contact us to confirm the delivery date.action details. Q3: Does your company's products have quality assurance? A3: We are in strict accordance with ISO9001 quality management system(Certificate No: NOA1886690) in raw material procurement, production control and finished product testing. Each air purifier product is subjected to quality inspection before being packaged. The product has passed relevant certification, and have product test reports. Q4: What is the warranty period for your company's products? A4: One year warranty Q5: Do you have the capabilities of research and development and patent products? A5: Yes, all products are designed and developed by our R&D team. At present, we have 34 patents for various technologies and appearances, including 9 invention patents, 18 utility model patents, and 7 appearance patents. Q6: What is your company's ordering process and payment method? A6: 1.Product model and quantity determination 2.Quotation and price determination 3.Sample confirmation 4.Order confirmation and payment 5.Producing goods 6.Pass quality inspection and delivery Wire transfer payment or Guaranteed trading through Alibaba Trade. Q7: Where is your factory? How can I get to your factory? A7: Our company is located in Dongsheng Town, Zhongshan City, Guangdong Province, China. You can fly to Guangzhou Airport, Take the light rail to Zhongshan Xiaolan Station, We will pick you up.