Project Name: 1250mm Continuous Color Coating Production Line

Client Name: DE "MASTER STOUN"

Project Nature: New Construction Project

Undertaking Method: General Contracting by Jingjie Ruisi

Signing Date: February 11, 2014

Commissioning Status: Commissioned on Schedule

Operation Status: Good

I. Basic Parameters:

1. Material: Galvanized steel sheet

2. Steel Coil Weight: Max 10t/coil

3. Finished Product Weight: Max 8t/coil

4. Outer Diameter of Steel Coil: Raw material Φ800—1350mm; Finished product Max Φ1100mm

5. Inner Diameter of Raw Steel Coil: Φ508mm; Inner Diameter of Finished Steel Coil: Φ508mm

6. Steel Plate Thickness: 0.2-0.6mm

7. Steel Plate Width: 900-1250mm

8. Designed Process Speed of Production Line: 40m/min

9. Energy Sources: Water, electricity, natural gas

10. Roll Coating Process: Continuous double-sided two-coat two-bake

11. Linear Speed before Entry Looper and after Exit Looper: 15-52m/min

12. Color Coating Thickness: The dry film thickness of top coat can be adjusted between 18-22μm, and the dry film thickness of primer can be adjusted between 5-10μm

13. On the premise that the galvanized substrate meets the Chinese national standard GB/T2518-2004 and the coating thickness and paint indicators of color plates meet the Chinese national standards, the quality indicators of color plate coating conform to the relevant technical parameters in GB/T12754-2006.

14. The layer deviation in the width direction of color coil: unilateral ≤±1.0mm

15. Production Program: 80,000 tons/year (calculated with specification 0.3*1250mm, 24 hours a day, 300 days a year)

16. Production Line Direction: Viewed from the operation side, from right to left

II. Basic Process Flow

The main equipment is composed in sequence: Manual Feeding Car 1#—2# → Uncoiling Unit 1#—2# → Uncoiling Pinch Machine 1#—2# → Shearing Machine 1#—2# → Converging Pinch Machine → Riveting Machine → Flattening Machine → Tension Machine Ⅰ (S roller) → Entry Looper → Centering Mechanism Ⅰ → Tension Machine Ⅱ (S roller) → Squeezer Ⅰ → Degreasing → Roller Brushing Machine → Squeezer Ⅱ → Water Washing Ⅰ → Squeezer Ⅲ → Water Washing Ⅱ → Squeezer Ⅳ → Water Washing Ⅲ → Squeezer Ⅴ, Ⅵ → Hot Air Blowing Device Ⅰ → Centering Mechanism Ⅱ → Chemical Coating Machine → Water Vapor Drying Oven → Forced Air Cooling Device 1 → Tension Machine Ⅲ (S roller) → Centering Mechanism Ⅲ → Primer Roll Coater → Primer Leveling → Primer Curing Oven → Forced Air Cooling Device 2 → Primer Intensive Cooling Chamber (water cooling) → Squeezing and Centering Machine Ⅰ → Hot Air Blowing Device Ⅱ → Single Roller Centering Machine → Deflector Roll → Top Coat Roll Coater → Top Coat Leveling → Top Coat Curing Oven → Forced Air Cooling Device Ⅲ → Top Coat Intensive Cooling Chamber (water cooling) → Squeezing and Centering Machine Ⅱ → Hot Air Blowing Device Ⅲ → Tension Machine Ⅳ (S roller) → Exit Looper → Centering Mechanism Ⅵ → Cold Laminating Machine → Tension Machine Ⅴ (S roller) → Shearing Machine with Pinch → Coiling Pinch Machine → Servo Coiling Unit → Manual Unloading.

Main equipment includes electronic control system, hydraulic system and pneumatic system. Auxiliary equipment also includes steel coil moving trolley.