spiral classifier ,working with ore mills to form close circulation in the concentrating plant ,whose classification process depends on the sedimentation velocity of the particles.Its external appearance is a rectangular oblique chute ,whose bottom is semicircular ,the inclination angle of the bottom of the chute is from 120 to 18.5.There is 1 or 2 vertical axles installed in the chute ,spiral bladesare installed along the axles one after another.With the help of the drive motor on the top ,the whole machine can drive the screw shafts to rotate. If there are two spiral axles in the chute ,all of the spiral blades rotate outwards when the machine is viewed from the top .The siurry,fed from the flank of the chute ,from classification of sedimentation at the bottom of the chute . 

Before sale service:
1.introduce the product to customer in detail,answer the question raised by customer carefylly
2.make plans for choice according to the needs and special requirements of users in different sectors.
sale service :
company ensures that product is delievered on timewith high quality ,and sends technicians to the jobsite for guiding the installation and adjustment ,assisting in the check acceptance of products ,offering technique explaining and training for oppeators and maintainers for free
after sale service :
1.make return visit to the users regularly ,and trcck the actual usage .
2.During warranty period ,once receiving a call for three-guarantee ,make a response in 2hours
If maintenance on site is needed ,arrive at the site in 24 hours to provide service and technical advice promptly.
3.Three guarantee ,one year warranty,lifelong maintenance for products.Ensure supplying components and parts at best price in a long term.

We are a professional manufacturer of mining equipments, such as crusher, mining mill, tube mill, rotary kiln, cooler, rotary dryer, magnetic separator, flotation machine, thickener, etc. Our machines are widely used in the fields of mine, smelting, chemicals, building materials, coal, refractory materials, ceramics, etc. Moreover, technological designs on program, process flow, standard& non-standard parts are also provided from the beginning to the end for clients. 

In 2010, we have accessed the ISO9001:2008 certification, and in 2012 we have acquired the BVQI certificate. To establish the business with credit and honesty is our management belief all the time.

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