Huangzhou Hualing High-Strength Bolts Co., Ltd. is located in south Xiaoshan
economic and development Park, Hangzhou city, China Steel Structure Industry
Base. Our company has developed good relationship and mutual benefits with many
famous steel structure manufacturers, such as Southeast Lattice FrameShanghai
Baoye Construction Corp.Ltd., Hangzhou Dadi Space Frame Co., Ltd., Hangzhou Chao
Feng Steel Structure Co.,Ltd. China Zhongtie Major Bridge Engineering Co., Ltd.,
Shanxi Machinery Equipment Assembly Company, and Zhejiang Hangxiao Steel Structure
Co., Ltd. Now, we have Beijing, Shanghai and Guangzhou office for sales and service.
In our company there are over 100 employees who are engaged in technical, procedure,
testing, researching and developing of production As a professional manufacturer,
with advanced technologies, production process and perfect testing equipments,
our company can produce many types of special bolts, studs, nuts and washers
for steel structure, including high strength large hexagon type, twist-off type,
Dacromet type, as well as studs, pins and welding anchors.
Upon strong technical support from Shanghai Fasteners Institute, our products
are awarded the honors of “Trustworthy Products” by the Government of Zhejiang
Province, as well as “Recommended Products” by Shanghai Fasteners & Welding
Materials Institute. In 2001, the company passed ISO9002 Quality System Certificate
Accreditation. Also, we got ISO9001 & 2000 international Quality System certificate
of Conformity issued by China Quality Certification Center in 2003.
Along with almost 10 years’ development, especially in recent years, our company
has invested a large amount of funds for expansion and technological renovation.
with annual capacity of 10 million high strength bolts and yearly output of 20
million studs Now, our company is well-known and has good reputation in the steel
structure field. The expansion and technological renovation make great improvements
on annual capacity, production efficiency, application of automatic equipments
and testing measures. Consequently, the quality of our products is highly reliable,
while the prices are competitive. Meanwhile, mutual-benefits on the basis of
win-win strategy enhance the market competitive ability of our company. It also
reflects our.sprit of advancing with times and effect to make more contribution
to national key projects.
Our company possesses all necessary advanced equipments and
workmanship. The bolts are made of alloy steel 20MnTiB, 35VB of superior quality.
The nuts and washers are made of qualified #45 carbon structure steel and the
studs are made of ML15AL. The workmanship for bolts include hot upsetting and
cold upsetting. The workmanship for round-nail studs is cold upsetting. We
also have reliable testing measures, for example, non-destructive hardness testing
measure is applied in selecting defective products for every processing.
The company adheres to basic business philosophy of personality human-oriented,
trust-oriented and quality-oriented basis. We try to maintain good relationship
with the clients and bring achieve mutual- benefits. Just based on On the Basis
of this conception of the above mentioned value, “Hualing” becomes a well-known
brand and get outstanding accomplishment in the fields of getting involved. Hualing
high-strength bolts Co., Ltd would like to share our perfect life value with
every esteemed client and enhance our brand image into their acknowledgement.
Standing on the current and future of China steel structure industry, we.strive
hard to provide high-quality products and services to our clients and make great
contributions to international and domestic projects. The clients’ requirements
are our targets. The clients’ successes are our goals.
Main production equipment and check-out facility:
Production equipment low temperature of the bath electric furnace, instrumentation
cars, IF SCR installations, Z12 series cold header, medium frequency induction
furnace, press machine, stamping machine, roller of wire, mesh belt-heat treatment
production lines, black oxide coating, phosphating.production line.
Testing&Inspection equipment: Nondestructive hardness detector,
fastening shaft test instrument , Rockwell hardness instrument, hydraulic universal
testing machines, optical microscopy, the standard measuring instrument, steel.chemical