VIZA holds all major industry certificates, including ISO 9001:2000, PED/CE, API 600, API 6D etc. All subsidiary companies of viza group are audited and approved by world-renown companies like TUV, DNV and Lloyd's.
Product certificates of special application and high performance valves are available and to be continuously expanded. Such as: Fire safe certificate for soft seated ball valves, fugitive emission for gate and globe valves, and certificate for long life cycle for concentric butterfly valves and etc.
VIZA's engineering and R&D team has various experience in industrial valve design by using advanced technology and know-how, software and testing equipments to meet all the requirements from our customers. A R&D lab is specially built for studying and testing valve innovations.
VIZA's technical team is dedicating on developing new product line such as top-entry ball valves with online maintenance, fully-welded ball valves for underground service, metal to metal seated ball valves for high temperature service and cryogenic ball valves for low temperature service, to support project-based orders with customized specifications and requirements.