+86-22-28876117 info@xinlianxin.cc
Home » FAQ


Q: Where Is Your Factory? Can I Visit Your factory?

A: Our Factory Is Located In Tianjin City, China. We Warmly Welcome You To Visit Our Factory Anytime. If You Date Us Before Coming, We Will Arrange Car To Take You Here From Airport Or Hotel.

Q: What is your price of your products?

A: Which Size And Quantity You Want, Different Size Has Different Price, And I Need To Now Your Size And Quantity Details First, Then I Can Offer You Accurate Price.

Q: Is That Price After Transportation Charge And Customs Charge?

A: Dear my friend, because each country’s policy and tariff are different, what we offer here is the export price. Such as local import tariffs need to be paid by the buyer.

Q: Can I have a trial order only for several tons carbon steel pipe?

A: We can ship the regular specifications to you with LCL service.

Q: Do you provide steel pipe samples ? is it free or extra?

A: Yes, we could offer the sample for free, with the cost of freight paid by customer.

Q: How long is your delivery time for natural black carbon steel pipe?

A: Generally it is 3-5 days if goods are in stock. or around 25 days if the goods are not in stock and it is according to order requirement.

Q: What is your terms of payment?

A: Payment<=1000USD, 100% in advance.
Payment>=1000USD, 30% T/T in advance, balance before shippment. Or L/C at sight (For big order, LC at 30-90days can be acceptable)

Q: What is your delivery term?

A: Usually by full containers 20ft or 40ft or by bulk.
Small quantity accept by LCL container.
Samples by DHL Express.

Q: How long does it take shipment by sea?

A: To different discharge port, it takes different days.
For examples, To East south Asia, it takes about 10 days.
To South America, it takes about one month.

Q: Which kind Surface coating for carbon steel pipe?

A: Anti-rusted oil painting, varnish painting, ral3000 painted, galvanized, 3LPE, 3PP

Q: Which steel grade can You provide?

A: Q195 = S195 / A53 Grade A
Q235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST42.2
Q345 = S355JR / A500 Grade B Grade C
Q235 Al killed = EN39 S235GT
L245 = API 5L / ASTM A106 Grade B

Q: How to Protect Black Pipe?

A: Black pipe is plain steel pipe without any protective coatings. Black pipe is used for a variety of applications around the home. It is very common to see black pipe used for your natural gas line and sprinkler system lines. Since black pipe has no protective coating, it may rust easily in wet or humid environments. To stop the pipe from rusting or corroding on the outside, you should provide a layer of protection on the outside of the pipe. The easiest method is painting it.

Q: What does RHS mean?

A: RHS stands for Rectangular Hollow Section, that is rectangular steel pipe.
We also have square hollow section steel pipe, according to standard: ASTM A500, EN10219, JIS G3466, GB/T6728 cold formed square and rectangular steel pipe.

Q: What’s The Package Of Your Pipes?

A: 1.) Packed in bulk
2.) packed in bundles with steel strips.
3.) packed in bundles with plastic wrap.

Q: How Long Will Be Your Delivery Time?

A: It Takes Within 15 Days If The Items You Need Are In Stock, Otherwise, It Usually Takes 25-35 Days To Produce.

Q: What Is Your Min Order?

A: Each Size More Than 5 Tons, Total Size One Container Quantity 28 Tons Is Better, Then The Average Freight Cost Is The Most Suitable

Q: Are You A Trading Company Or Manufacturer?

A: We are manufacturer.
Our Factory Address: NO.8 juhai road, Jinghai development area, Tianjin, China