Founded in 2006, the national high-tech enterprise,

Company focus on control valve category (gate valve, ball valve, butterfly valve) research and development and manufacturing, good at for low temperature, high temperature, high pressure, wear-resistant, toxic and harmful, high frequency action and other special conditions to provide technical solutions, products are widely used in petroleum, chemical industry, coal chemical industry, electric power, and many other industrial fields, is sinopec, cnooc,cnpc, shenhua group, Yanchang Petroleum Group, sinochem and other large state-owned enterprises state long-term strategic cooperation suppliers.

High-quality products cannot be separated from the perfect management and rigorous quality system, the company continues to absorb high-end technical talents and senior and excellent management talents to participate in the common development. Over the years, in the Lianda team dedicated, excellence working atmosphere gradually formed a set of efficient and complete management system, through theISO9001:2015 Quality Management System certification, ISO45001-2018 Occupational health and safety system certification, ISO14001:2015 Environmental management system certification, Special Equipment Manufacturing License (A1) certification, API Q1 Quality management system certification, CE certification, Product function safety SIL certification, API6D, API600, API609, API608 Product certification, API6FA, API607 fire certification, ISO15848 valve fugitive emissions test certification