automatic coal fired steam boiler manufacturer

automatic coal fired steam boiler manufacturer. Dear Customer:
We have a Trade Assurance Amount US $60,000 granted by Alibaba.com. It
means you will receive 100% refund of the Trade Assurance Amount for orders
not meeting agreed delivery or quality terms.    1.Spirally corrugated tube (1) Heat transfer enhancement; (2) Improve the suppleness to avoid the tube plate cracking; (3) Clean groove itself. 2.Arched tube plate   (1) reduce the thermal stress of weld; (2) improve the tube plate suppleness; (3) simplify the structure and save the boiler room space. 3.Complete protection device deal with the situation of overpressure, over-temperature, water shortage and flameout. 4.Up-tube layout  (1) Avoid the bulging on boiler drum; (2) Promote the water cycle (3)clean the sediment in the boiler bottom. 5.Airfoil flue Lower the high temperature of tube plate flue gas. And then reduce the thermal load of the boiler bottom.   steam boiler process  1. Strength calculation report with applied materials information; 2. 100%NDT(non-destructive inspection) report of steel plate, tube and welding rod; 3.100% X-ray inspection report (welding seam): to ensure the quality of the entire boiler; 4. Hydraulic test report: ensure the standard working pressure and safety; Before the products leave our factories, all the matters relevant to boilers will be undertaken by our company, such as equipment decoration in boiler room and also satisfactory, free-charge service will be offered by us until the turn-key project. The replacement is guaranteed if any problem concerning the product quality arises within a year. In the manufacturing process, clients are quite welcome to our factory to examine the actual quality and to carry out the follow-up inspection.      the factory   customer  Warranty and after-sale service BZ promises the top quality of every set of machine and best after-sales service as followings : (A)   The boiler body guarantee is one years , for accessories two years (B)   During the guarantee period , if the main body defective or broken without wrong operating , Honor must replace the parts for free or prepare the spare-parts for free. (C)   BZ should provide boiler technical service and operation guidance for whole life  long. (D)   Regarding to the installation and training , the buyer should take all the correlative charges (accommodation and food , round -trip tickets) contact us skype: charliesun327 whatsapp:00+86+18630107521 cell:86+18630107521 email:charlie @ bangziboiler.com