Our standard management system make the workshop ordered and efficient. All of our workers are well trained to guarantee steady high quality of our air compressors.And 100% products are inspected before delivery. FAQ: Q1. Are you a factory? A. Yes. We are factory with more than 10 years R&D and manufacturing experience. Q2. How can I get a quotation? A. Leave us massage with your purchase requements and we will reply you within one hour on working time. And you may contact us directly by Trade Manager. Q3. How can I get a sample to check the quality? A. We are glad to offer you samples for test. Leave us message of the item you want and your address. We will offer you detail sample packing information, and select the best way to deliver it. Q4. Can you do OEM for us? A. Yes, of course. Q5. How long could your portable air compressor be used? A. Generally, more than 10 years. Q6. How about your price? A. Send me details about what you need, you will get the best price in China. The price is competitive over the world.China Air Compressor manufacturers website:http://www.qcbkhk.com/construction-machine/air-compressor/