square duct to round duct adapter

Yantai Dongtai Stander Offshore Engineering Co., Ltd. which is a joint-stock company that is a state-owned enterprise from the original, is located in Yantai-the beautiful coastal city. The company has a solid production base and strong technical force. It is an enterprise integrated the design, production, manufacture, installation and commissioning, and after-sales service of HVAC, etc. With rich experience in project management, the company specializes in the production and on-site construction of ships, offshore platforms and land-use HVAC products. We are committed to creating technology-based, innovation-type air conditioning HVAC system integrators, adhering to the integrity-based and cooperative win-win business philosophy. Our company is sure to be your trusted partner because we sustain great mission to create wealth for the community and value for customers.