Dedicated To Ventilation Duct Manufacturing With Reliable Quality & Custom Solutions
Shandong Guande Environmental Technology Co., Ltd. was founded in 2017, located in Qihe County Private Industrial Park, Dezhou, Shandong. We are a modern innovative manufacturer specialized in ventilation duct products, integrating R&D, manufacturing, sales and after‑sales service all‑in‑one. Our production plant covers 15,196 ㎡ with three standardized workshops and complete production & testing facilities. We have more than 100 staff including over 10 core R&D engineers, delivering steady technical support for product iteration and customization. Our product portfolio covers ventilation ducts & accessories, metal spiral ducts, marine metal pipes, PPR insulated pipes and related piping items. Our products serve building ventilation, industrial projects and marine ventilation systems, supporting diversified custom requirements. We stick to “Quality First & Integrity‑Oriented”. Full‑range quality control runs through raw‑material selection, production and finished‑goods inspection. We offer one‑stop pre‑sales, on‑sales and after‑sales support. Custom options for size, material and configuration are available, welcome to inquire for bulk order prices.
