Q1: Are you a factory or a trader? A1: We are an industry and trade company with 20 years of experience in Changzhou City, Jiangsu Province. Q2: Does your price include freight? A2: We can provide CIF quotation upon request. Our usual prices are based on FOB, starting from Shanghai or Ningbo port. Q3: Can you provide customized services? A3: We can customize it according to the user's requirements. We can provide you with customization of materials, sizes, models, operating control systems, etc. The models we regular are XSG, LPG, RXH, ZPG, WLDH, KJG, FZG, etc. If you have other requirements, you can contact me. Q4: Will the installation video be provided after the product is received? A4: We can provide remote online technical guidance, and assign technicians on site to provide one-to-one full-process installation services through video to answer your questions in time. Q5: How long is the warranty period of the equipment you provide? A5: If there is a problem during the normal use of the product, we will provide a 12-month warranty service after the delivery of the goods. Q6: Do you have after-sales service? A6: We set up maintenance files according to user information. This is our company's social media account number: Email contact information: manual customer service is online in real time from 9:00 to 18:00 Beijing time from Monday to Friday, and will reply in time when encountering problems.