DER International Investment Trade Co., Ltd. manufactures evaporative cooling pads, wet curtain wall systems, and ventilation fans for animal husbandry and greenhouse applications, backed by an integrated design-to-service model.
DER International Investment Trade Co., Ltd. is an integrated, import-and-export oriented enterprise based in Shandong, China. The company combines product design, production, sales, and service to support international customers, with convenient access to Qingdao logistics and port resources.
The product range covers evaporative cooling solutions and ventilation equipment, including cellulose evaporative cooling pads, wet curtain paper and wet curtain wall cooling systems, evaporative air coolers, and a variety of fans for animal husbandry and greenhouse environments. The portfolio also includes roof ventilators, loudspeaker rope ducts, radiators, heaters (including coal-fired and fuel options), plumbing heaters, and automatic digital temperature control systems, alongside other greenhouse equipment.
Guided by a commitment to quality, credibility, and customer-focused service, the company emphasizes continuous improvement in both products and support. Its products are supplied to markets across Asia, Europe, Africa, and South America, serving customers in more than 80 countries and regions.
The company operates with a focus on top-grade quality, strong credibility, and dedicated customer service, continuously improving product and service performance.
The company pursues long-term partnerships under the principles of mutual benefits, equal treatment, and sincere cooperation, supporting customers through visits, technical communication, and business negotiation.
Envoyez une demande pour en savoir plus sur leurs capacités et obtenir des devis personnalisés.