About Us
Ecobuilding INC building sustainable future
Ecobuilding INC was founded in March 2025. California License Number: 142599. Located in Chino Hills, California, USA. Founded by Baojin Wu and Hongkui Zhan, the company provides energy-efficient, environmentally friendly, safe, and comfortable high-end residential window and door solutions. We offer high-performance, aesthetically pleasing, and cost-effective high-quality window and door products and installation services for passive house construction, new luxury homes, and renovations of existing luxury homes.
Ecobuilding INC is the exclusive California distributor for SAYYAS aluminum-clad wood windows and doors, distributing and installing the full range of SAYYAS products. We are also responsible for recruiting SAYYAS window and door dealers in the California market.
We have successfully completed multiple projects in Los Angeles and San Francisco, California.
Customers seeking high-quality windows and doors are welcome to contact us.
English Contact: Hongkui Zhan
Phone: 626-213-4599
Email: Anthony@ecobuilding2025.com
Chinese Contact: Baojin Wu
Phone: 909-991-1888
Email: Paul@ecobuilding2025.com
Professional Team
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Creative & Original
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Quality Materials
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Industry Expertise
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Hear It From Our Clients
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Tom & Jane, SF
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Warehouse Inc, NJ
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The Robinsons, TX