Our company was founded in 1989, and was re-registered as Qufu Haihua Hi-Tech Co., Ltd. in 2001 after operation restructuring.
Our company integrates design, research and development, innovation, production and marketing: relying on the international market, taking high-tech talents as the cornerstone, taking the latest technology as the driving force, taking the self import and export rights as the channel, committed to the research and development of high-tech products. Over the past 30 years, the R & D high-end products have been exported to more than 30 economically developed countries in Europe and the United States.

We always adhere to the enterprise spirit of "people-oriented, company-oriented, unity and coordination, highly quality and efficiency".
Our company was the first one to develop sealing products for domestic steam locomotives and diesel locomotives. We have provided the seal of 1000-10000 tons forging machinery for China that achieved the record of zero leakage for more than ten years. We have developed high-end seals for photovoltaic in China and corresponding products for the fourth generation of nuclear power. Our company has been providing sealing products for million ton oil tankers in Europe and the United States for nearly 30 years. In 2011, we provided sealing products for new energy in the United States. RPTFE has become a global vocabulary in the field of PTFE products after being proposed by our company.
Our company has cooperated with Chinese scientific research institutes and listed companies to develop products and strengthen international technical exchanges.

PTFE General Products
PTFE Sheet	PTFE Rod	PTFE Tube
PTFE Special Products
Glyd Ring (HSF),Step Seal (HSJ),Guide Ring (HST), Guide Sleeve (HWS)
V-shaped Combined Seal（HE） Valve Seal （HSZ）
PTFE Turcite (With Matching special glue）HSG , PTFE Coated Piston （HP）, Flower Plate, Thin cushion for automobile , Other special-shaped parts
UHMWPE Products
Shaft Sleeve
Seals