Pre-shipment inspection (PSI) is one of the many quality control tests conducted by LONGSUN SOLARELECTRIC CO.,LTD. This inspection is based on standard QC testing or on customer request. Based on these criteria and procedures, samples are randomly selected and defects are checked. For us, pre-shipment inspection is an important step in the quality control process and a way to check the quality of the foldable solar panel before shipment. Over the years, LONGSUN SOLARELECTRIC CO.,LTD Longsun Solar Panel has been a major round solar panels manufacturing base in China. As one of LONGSUN SOLARELECTRIC CO.,LTD Longsun Solar Panel's multiple product series, 1kw Fi Low Price Pure Sine Wave Power Inverter series enjoy a relatively high recognition in the market. The product features resistance to repeated sterilization. It can endure repeated sterilization cycles such as chemical, steam or gamma radiation sterilization without significant damage. Its arrosion resistance makes it not vulnerable to acid rain. LONGSUN SOLARELECTRIC CO.,LTD Longsun Solar Panel has went through continuous development and extension. Its low voltage-temperature coefficient allows better output under high temperature.Constant excellence and constant quality assurance are of great importance to Longsun. Get an offer!
When it comes to the trading of commercial goods, there is always a certain level of risks and trust involved. LONGSUN SOLARELECTRIC CO.,LTD has been endeavoring to reduce the risks when dealing with international transactions. After years of development, we can support plenty of international paying methods mainly including Cash in Advance, Letters of Credit, telegraphic transfer, and Paypal. For ensuring the benefits of both parties, we have created a payment regulation that refers to 30% of the price for advance payment and 70% on delivery. LONGSUN SOLARELECTRIC CO.,LTD Longsun Solar Panel, which is committed to corporating innovation, is a diversified enterprise group that focuses on the creativity, design and marketing of FI SERIES. As one of LONGSUN SOLARELECTRIC CO.,LTD Longsun Solar Panel's multiple product series, Solar inverters series enjoy a relatively high recognition in the market. Longsun best solar panels in the world has to be assessed in many aspects. These aspects cover flexing resistance, colorfastness, tear strength, and dimensional stability. The product utilizes by-pass diodes to minimize the impact of shade. LONGSUN SOLARELECTRIC CO.,LTD Longsun Solar Panel has introduced advanced imported equipment for monocrystalline solar panel. It has a long service life and secures a high second-hand value.our team is racing towards a best foldable solar panel manufacturer in 5000W FI Solar Energy Inverter For Pure Sine Wave industry. Inquire online!
Yes, we set a warranty period for foldable solar panel. The warranty time will be shown on the product page and in the instruction manual together with the product. During the warranty, LONGSUN SOLARELECTRIC CO.,LTD promises to repair or replace the product without charging any fees like maintenance fees to the customers. But the compensation behaviours are conducted on condition that the imperfections are caused by our poor workmanship and operational mistakes. Some evidence should be submitted to facilitate the handling of compensation. LONGSUN SOLARELECTRIC CO.,LTD Longsun Solar Panel is currently the largest research and production base for round solar panels. As one of LONGSUN SOLARELECTRIC CO.,LTD Longsun Solar Panel's multiple product series, FI SERIES series enjoy a relatively high recognition in the market. The product has good deformation resistance. It has been treated with the cold stamping process at room temperature to improve its cracking proof capacity. Longsun is strong enough to meet the technical needs of semi-flexible solar panel market. The product enables you to harness the power of the sun and drastically cut your energy bills.To realize the dream of pursuing excellence, Longsun aims to develop enterprise in all aspects. Inquire now!
The warranty period of foldable solar panel normally do not exceed the average time in the industry. During the period, we will quickly respond to the customer's demand to replace and repair the product. As a mature manufacturer, we endeavour to bring considerate after-sales services to our customers, which includes a complete and detailed warranty policy. According to the specific wears and malfunctions, we repair or replace the specific parts. We guarantee the replaced parts are brand new. If customers have some doubts about the policy, please negotiate with us. LONGSUN SOLARELECTRIC CO.,LTD is a professional generator dedicated to foldable solar panel. As one of LONGSUN SOLARELECTRIC CO.,LTD Longsun Solar Panel's multiple product series, polycrystalline solar panel series enjoy a relatively high recognition in the market. Longsun FI SERIES is inclusively tested by third-party testing organizations. It is tested in terms of abrasion, adhesion, colorfastness, dimensional stability, hardness, thickness, and tear strength. It has a service life of 5 to 25 years. LONGSUN SOLARELECTRIC CO.,LTD Longsun Solar Panel has formed a wide customer base. The product comes with various power options to satisfy all your needs.LONGSUN SOLARELECTRIC CO.,LTD Longsun Solar Panel is committed to funding a more sustainable future. Contact!