CHANGLONG | Smart Entrance Solutions Manufacturer

Quality & Certification

Tested, certified and inspected for global markets.

Quality & Certification

Our promise: a gate that never needs repair. Certified, tested, inspected.

ISO 9001 Quality System

Every process — incoming material, in-process, pre-shipment — runs inside a certified QC chain.

100+ National Patents

Invention, utility model and design patents covering gate, barrier and bollard technology.

Export Certificate Library

CE (MD & LVD), K4 crash-test reports, SGS inspection — certificates on request.

Third-Party Inspection

SGS, TUV or buyer-designated inspectors welcome before container loading.

Our Quality Promise

"A gate that never needs repair" — how we back it up.

100% Function Test

Every gate runs 50+ open/close cycles; every bollard tested at rated pressure.

Photo & Video Proof

Pre-packing photos and test videos sent to every buyer.

12–24 Month Warranty

Spare parts included, remote technical support for the lifetime of the product.

Factory Audit Welcome

Visit our Foshan base, or book a live video factory tour — 7 days notice is enough.

Get Your Factory Quote Today

Tell us what you need — our sales team replies within 24 hours with price, specs and shipping options.

  • WhatsApp: +86 173 2274 0704
  • Email: clshengshi@163.com
  • Contact person: Ms. Wang (Export Sales Manager)
  • Foshan, Guangdong, China

Send Inquiry

Ms. Wang replies within 24 hours with price, specs and shipping options.
Chat with us — replies in minutes