Our Products & Team

Wei Ren

Project Manager

With over 18 years of home renovation experience, Wei has served as a Crystal Windows Certified installer for the past 15 years, assisting over 5,000 homeowners in the DMV area.

A proven problem-solver with a background in design, Wei not only executes window and door installations with utmost professionalism, but also offers his insightful expertise to ensure optimal outcomes.

Crystal Windows & Doors Systems, LTD

Celebrating over 23 years of excellence, Crystal® Window & Door Systems offers industry-proven quality with state-of-the-art manufacturing facilities in Queens, New York; Chicago, IL; St. Louis, MO; and Riverside, CA to serve our valued customers.

The company's wide array of products offers architectural designers fenestration solutions that enhance green sustainable design initiatives, with high performance, energy efficient Architectural Aluminum and Residential Vinyl Crystal® and Crystal® Energy Star® Certified products.