M42 Grade 8.8 Din931Galvanized Stud Hex Bolt and Nut

Haihao Galvanized Stud Hex Bolt and Nut Products Show:

1.Hebei Haihao Group is professional flange&pipe fittings manufacturer over 30 years in China.

2.We have strong technical department which could design standard & non-standard flange according to per client.

3.High quality products ,which are approval with ISO9001,ABS,API etc.

4.Powerful production ability,which could comply with all kinds of delivery request.

5.Competitive price keep our client competitive on their market.

Question 1: How many staff working on your plant? 

Answer: 660 workers and staff members with a strong technical force, including 26 engineers, 48 assistant engineers and 68 technicians.

Question 2:  What kind of certificate do you have?

Answer: ISO,API,ABS CERTIFICATES.

Question 3: What market experiences do you have?

Answer: We have experiences of working in  Russia,USA ,Germany Korea,Vietnam, India ,Indonesia, Malaysia, Philippines,Iran, Kazakhstan, Romania, Costa Rica, Georgia, Kuwait,Turkmenistan, Ukraine and Jordan etc. market.

Question 4:  What kind of largest diameter seamless and welded pipe fittings available to producing in your workshops ?

Answer: ELBOW( largest diameter seamless 30",welded 96" )

                TEE( largest diameter seamless 24",welded 96" )

                 REDUCER( largest diameter seamless 24",welded 96" )

Question 5: Do you have the laboratory in your factory?

Answer: Yes, we have.

Question 6: Can you supply FASTENERS?

Answer: Yes, we can supply Bolt, U-bolt and screw nut.

Question 7: What test do you usually do?

Answer: After production, we will make NDT inspection. About elbows, usually we use ultrasonic test by a certain percentage. If client needs special requirement,we will make as per their requirement.

Question 8: The period of production a volume about 300 tn of products;

Answer:  About 300 tons products, it costs 20-30 days,and 40 days including painting,marking and packing.

Question 9: The whole production capacity of your own production facilities;

Answer: About DN15-DN6000 flange,18000 tons per year;DN15-DN1200 elbow, reducer and tee,15000 tons per year.