PVC air duct flange

Established in 2002 Tengzhou Huahai Group is a high and new technology enterprise which is located in Tengzhou City,Shandong Province China.Our group covers an area of 66,670 square meters. and has 612 employees.
Our main products are, HVAC Phenolic foam air ducting panel ,Heat resistant insulation board Pre-insulated PU air ducting panel,PU sandwich panels and PU Cold storage panel .
The primary members of the group include
Tengzhou City Huahai New Insulation Materials Co., Ltd.
Tengzhou Jutong Import & Export Trade Co.,ltd
Shandong Plant Co.,ltd
Huahai New Thermal Insulation Materials Co., Ltd. established in 2002, developed Phenolic foam composite board continuous production process with the cooperation of some universities and institutes. The new process ranked among the first in the world and it surmount the traditional moulding production process and was the first one in China which can produce continuously. The production line was praised as "the first line in China" by "China Building Materials News" and the experts. Moreover, aluminum foils and phenolic foam composite boarsd have passed the evaluation of provincial level scientific and technological achievement test. We have attained IS09001:2000 Quality Management System Certification and IS014001:2004 Environmental Management System Certification and have been elected as the standing committee member of China Thermal-Sound-Insulation Material Association.
We will follow the spirit of "build environmentally friendly home" to produce insulation and fireproof composite boards with advanced technology. We will build a phenolic city and make Huahai Group the largest phenolic foam production base in China with the top technology, quality and service.