Shanghai SDA co., Ltd.

SDA is a professional company for doors automation products, we have a full line products for the automation products of sliding gate, swing gate, entrance doors, glass doors, we also have some new products like windproof rolling doors, which could defend a hurricane.

we would like to provide our best products, price and service to you!
doors, garage doors, sectional doors, overhead doors, door openers, door operators, doors automation, sliding door operator, swing door operator, steel rolling doors, windproof doors, rolling doors