Spring Brake Chamber 30/30 2.5" for Heavy Duty Truck

Type 3030 Spring Brake Assembly, 2.5" Stroke

Maximum operating pressure: 1mPa
Operating temperature range:-40 to 80 degrees Celsius
Operating pressure: 800kpa

Xingtai Bossa Machinery Manufacturing Co., Ltd locat in Xingtai high-tech development zone, is a manufacturer that specializes in supplying  OEM and ODM casting spare parts for customers since 1991. It covers an area of over 40000 square meters and an architectural area of 12000 square meters.

Bossa mainly produce the casting & machining products for heavy duty trucks , agricultural machinery and construction machinery. The leading products : axles, wheel hub, brake drum ,brake shoe, leaf spring bracket, transmission box, cylinder block , cylinder head etc.  30% our products according to customer’s drawing or sample.

Our foundry, machining workshop and export department:
Sand casting since 8th May, 1991 
Precoated sand casting since  8th May 1996
Lost foam casting since 8th  Apr 1999
Mould opening since1999
CNC machining since 8th Sep 2001.
Aluminum die-casting since 2009 
Bossa international import & export department since 2012.

With advance equipment and testing machine , such as CNC vertical machining center, Three-coordinates measuring machine etc. We promise that all of our products quality quailed and meet the standard of ASTM,BIN, JIS,BS NF etc 

We can produce various grades of gray iron, nodular iron, vermicular graphite cast iron, cast steel(precision casting) and die casting aluminum according to customer’s request. For our products mainly exported to European, America , South America, Middle east, Afria,  and Southeast Asia etc .

Bossa always insist on quality as a way of life. 

Welcome clients from all over the word to contact with us and build long-term business cooperation.

We have one professional engineers team to design the mold and check the design to make sure all are right before production.

Our engineers follow the mold's production every week to make sure all of them are in schedule. After trial production, we will check the samples about the finishing and dimension to make sure samples are right or not and make report to our customers. We do the final inspection on molds before mold shipment.

We are one of professional company to provide you good quality molds with competitive price in time.

1. OEM Manufacturing welcome: Product, Package... 

2. Sample order 
3. We will reply you for your inquiry in 24 hours.
4. after sending, we will track the products for you once every two days, until you get the products. When you got the goods, test them, and give me a feedback.If you have any questions about the problem, contact with us, we will offer the solve way for you.

Q1. What is your terms of packing?

A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.

Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages 
before you pay the balance.

Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.

Q4. How about your delivery time?
A: Generally, it will take 30 to 60 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.

Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery

Q8: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.