Here is a rewritten and improved version of your content in English, with more natural flow and additional details to make it appear as if written by a human. The total character count exceeds 500.
---
------------------------------------------------------------------------------------------------------------------------------------------------

Main Features:
------------------------------------------------------------------------------------------------------------------------------------------------
Δ HOT START : Boosts starting power for better electrode control.
Δ ANTI STICKING : Prevents electrodes from sticking during use.
Δ ARC FORCE : Increases current instantly in challenging welding situations.

Specifications:
------------------------------------------------------------------------------------------------------------------------------------------------
Certifications:
------------------------------------------------------------------------------------------------------------------------------------------------

Our Services:
------------------------------------------------------------------------------------------------------------------------------------------------

Pre-Sales Services:Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â After-Sales Services:
------------------------------------------------------------------------------------------------------------------------------------------------

--- Let me know if you'd like this tailored further for SEO, product listings, or specific markets.
Model No.: MMA-120
Input Power: 4.5kW
Input Voltage: 230V 50Hz
Frequency: 50/60Hz
Efficiency: 85%
Rated Duty Cycle: 60%
Max. Thickness of Workpiece: 7mm
Maximum Electrode Diameter: Max. 4.0mm
Trademark: DECAPOWER / DAOU / OEM
Transport Package: 1 PCS/ Box
Specification: 370*150*250mm
Origin: China (Mainland)
HS Code: 8515390000
Product Description:------------------------------------------------------------------------------------------------------------------------------------------------

Main Features:
------------------------------------------------------------------------------------------------------------------------------------------------
MMA Feature:
- Immediate start due to high no-load voltage.
- Provides consistent welding power.
- Offers smooth melting thanks to direct current.
- Resistant to fluctuations in input voltage or arc length.
- Delivers excellent penetration and stable arc performance.
- Provides consistent welding power.
- Offers smooth melting thanks to direct current.
- Resistant to fluctuations in input voltage or arc length.
- Delivers excellent penetration and stable arc performance.
Δ HOT START : Boosts starting power for better electrode control.
Δ ANTI STICKING : Prevents electrodes from sticking during use.
Δ ARC FORCE : Increases current instantly in challenging welding situations.

Specifications:
------------------------------------------------------------------------------------------------------------------------------------------------
Model | MMA-100 DELUX | MMA-120 DELUX | MMA-140 DELUX | MMA-160 DELUX | MMA-200 DELUX | MMA-250 DELUX |
Input Voltage | 220V ±15% | |||||
Frequency | 50/60Hz | |||||
Input Power | 2.5kW | 3.0kW | 3.5kW | 4.0kW | 5.0kW | 6.5kW |
Current Range | 20-80A | 20-100A | 20-120A | 20-140A | 20-160A | 20-190A |
No-Load Voltage | 60V | 60V | 56V | 56V | 56V | 56V |
Product Size | 370*150*250mm | 390*150*310mm | ||||
Net Weight | 2.5kg | 2.8kg | 3.2kg | 5.2kg | 5.8kg | 6.8kg |
Packaging Dimension | 470*210*290mm | 500*205*325mm | ||||
Gross Weight | 3.5kg | 3.8kg | 4.2kg | 6.2kg | 6.8kg | 7.8kg |
Certifications:
------------------------------------------------------------------------------------------------------------------------------------------------

Our Services:
------------------------------------------------------------------------------------------------------------------------------------------------

Pre-Sales Services:Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â After-Sales Services:
* Inquiry and consulting support.                            * Training on how to repair the machine.
* Sample testing support.                                        * Engineers available to service machinery overseas.
* Free packing design service.                                * Warranty spare parts supply.
* Factory visit available upon request.
Factory Information:------------------------------------------------------------------------------------------------------------------------------------------------

--- Let me know if you'd like this tailored further for SEO, product listings, or specific markets.
Star Screw,Self Tapping Screws,Metal Screws,Button Head Bolts
Suzhou Chenran Precision Fasteners Co., Ltd. , https://www.chenranfastener.com