TeejoinPower is committed to providing customers with high-quality solar products that can create clean electricity for decades. TeejoinPower's high-quality requirements are reflected in the entire production process. We strictly control the details from raw materials to before shipment, which is the guarantee for manufacturing high-quality products. High quality standards result in high quality products, which makes Teejoin's products durable. As we all know, the design service life of solar energy projects is generally 25 years. Teejoin's photovoltaic modules are produced under strict quality control based on strict compliance with international standards. Therefore, it is no problem for our solar modules to persist until the last moment of the project design life. The service life of our high-quality solar modules is generally as long as 25-30 years, even 40 years. Suppliers and Raw Materials Design and development of new products Incoming quality control Process Quality Control Product Assembly and Testing Inspection before shipment ... TeejoinPower has passed ECTK6EN2ZO and TUV Rheinland (Shanghai) Co., Ltd. testing and certification to ensure product safety and reliability. TeejoinSolarPower is committed to making customers more worry-free and at ease. Under the strict quality management system, the high-quality products produced can bring different value to customers, and can ensure that customers' solar projects can stably produce more clean energy in the next few years.

The overall performance of new investment projects in the solar industry is closely related to the ability of solar power plants to meet the expected energy production. Therefore, ensuring the quality and performance of solar panels during manufacturing is critical to the success of the project. our solution Teejoin can provide on-site product quality inspection during manufacturing and shipping, covering the whole process from on-site evaluation to overall operation. We evaluate the quality and reliability of your solar panels to ensure the product meets the required performance. We pay attention to the quality of solar panels and carry out all necessary inspections and tests to ensure that the solar panels meet the quality requirements before each shipment. Once we get your quick confirmation, we can implement shipment supervision to ensure the safety of the container and the contents meet the requirements. The inspection report and certificate provided by Teejoin can be used as a strong proof of the safety and reliability of your solar panel products. Realized rapid response and communication in the pre-shipment stage.