Recently, audit experts from Laosheng Industrial Technology Services (Shanghai) Co., Ltd. conducted an annual audit of the company’s EN1090 and ISO3834 systems. Through the inspection of document information and on-site operation, the audit experts fully affirmed the good operation of the company’s welding management system and confirmed that it has passed the annual audit. The EN1090 standard is an important guarantee for companies to undertake high-quality foreign orders, and the ISO3834 welding quality control standard system is an important indicator to measure the welding management ability of enterprises. The two, together with the ISO9001 quality management system, constitute the company’s comprehensive quality assurance system, laying the foundation for the company to expand into the domestic high-end market and international market. (Zhou Yu)