Shandong Huamin Steel Ball Joint-stock Co.,
Ltd., established in 1986, in the past, we devote to the
manufacture and export of grinding balls and grinding rods, our
current annual production capacity is
200,000tons
Raw material: 1. Forged steel balls: the quality of raw
material can directly determine the quality of the balls. Huamin
select good quality raw material from big steelworks, the material
with steady chemicals, good quality is the base of the good
products. 2. Cast balls: Huamin cast balls select good
quality ferrochrome as the raw material, and strictly control the
alloy elements, especially chrome content. 3. Grinding rods: To ensure the material
quality, Huamin develop new type alloy steel material, and sign
confidential technical agreement with the big
steelworks. Process: 1. Forged steel balls: Huamin have the most
advanced automatic rolling forged grinding balls production line,
the production efficiency is improved by 6 time, and the quality is
even and steady. 2. Cast balls: After development and research
of so many years, Huamin has their own feature of the mould
development to ensure the grinding balls
quality. 3. Grinding rods: manufactured by independently
developed automatic production line, and the hardness is improved
after heat treatment, and no breakage, and good abrasive
resistance.
Heat treatment
process: Huamin devotes the development and research of
the heat treatment, and after so many years experience, we have
master different heat treatment process according to different
material, different size and different customer
requirement.
Quality Control: Huamin has a high-quality
quality control group with excellent equipment and professional
talents. We have special quality inspector in every step, from the
material recheck to finished products inspection. The hardness
test, chemical composition analysis, impact toughness test,
dropping test all can be made by specialized equipment, and keep a
good record of the inspection result. Packages: 1. Grinding rods: Huamin has two kinds of
packages method, big bag and steel drum. This two packages can meet
the requirement of the repeat shipment and
storage. 2. Grinding rods: by
bundle
Delivery: We have 200,000tons of annual
production capacity, and can fully ensure timely
delivery.
After-sales service: Huamin has many offices or
agents all over the world, and the offices or agents can solve the
questions during operation timely.
We welcome customers both at home and abroad to
come to negotiate business with us, we sincerely promise you. We
are trying our best to supply you with high quality products,
reasonable prices, timely delivery with satisfactory service as the
basis of our long-term cooperation.
