7.FAQ: A: We are a manufacture of fanstener. A: Our company start to do foreign trade from 2009. A: We use the best material for the products.And we have the best test equipments to make sure every product is good.
Huijie Steel Pipe Manufacturing high precision CDW/CDS/DOM Steel Tubing for about 20 years,the steel tubing wide application in
the automotive industry(Shock absorber,tranmission shaft,steering gear,gas spring,stablilizer etc),mechanical,agricultural machinery,
engineering machinery,precision bush and roller,cylinders etc.
Size:
O.D. 6--329mm, W.T. 0.8-30mm
Production
standard: GB/T 3639, ASTM A519, DIN 2391, DIN2391/C, EN 10305-1, EN 10305-4. Customer`s special requirement
will be fulfilled.
Normal Material: 10#.20#.35#.45#.4130.4140.ST30Al.ST35.ST45.ST52.E215.E235.E355
etc.
Delivery heat-treatment Status:
a)
Cold drawn/ hard: (+C). b)
Cold drawn/ soft:( +LC). c)
Cold drawn and stress released: (+SR).
d)
Annealed:( +A). e)
Normalized: (+N).
Drawn Steel Pipe,Carbon Steel Tubes,Automotive Steel Pipe,Seamless Precision Tubes Ningbo Huijie Steel Pipe Manufacturing Co.,Ltd , https://www.hjbearingtube.com
Item
DIn6914
Grade
3.6,4.6,4.8,5.6,6.8,8.8,9.8,10.9,12.9
Finish
BLACK ,Plain,Zinc Plated (Clear/Blue/Yellow/Black), HDG ,DACROME Tect
Size
FROM M12
Material
35# 45# 40CR 35CRMO 42CRMO B7 Carbon Steel ect.
Sample
Free
Thread
UNC,UNF
Production process
Cold Froging,Hot Forging ect.
Notice
Please let us know the Size,Quantity, Grade,Finish,
Company Information
  Ningbo Zhenhai Huazhi High Intensity Fastener Manufacture Co., Ltd. is specialized in high strength fasteners.The productions lines are above 10 in our factory to provide our customers.
Our company has certificates of ISO9001 and produce DIN AMST ANSI JIS BS AS GB ISO with a competitive price to our clients..
 
TEST EQUIPMENTS
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Q1: Are you a factory or trading company?
Q2: How many years you do foreign trade?
Q3: How is your quality?
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