Pre-shipment inspection (PSI) is one of the many quality control tests conducted by Top One Tech 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 ir touch screen before shipment.

Toponetech is regarded as an undisputed and reliable Chinese manufacturer of wall mount touch screen. We have earned a good reputation in the industry. Toponetech provides a wide range of indoor monitor for customers. The product has the advantages of impact resistance. Made of thick timber material, it is not prone to cause dent or deform when impact or pressure is inflicted on it. Supported by our creative service team, the popularity of Toponetech has been improving. This product comes in a variety of CPU options.

We uphold business ethics. We pledge not to harm the interests and rights of our clients and consumers and always protect clients' privacy with regard to our cooperation.