Sure, based on the original title provided, a refined and simplified version focusing on the product keywords in English could be: Murphy Wall Bed Springs Mechanism Hardware Kit, Heavy Duty Horizontal Mounting DIY Support Kit, Single Side Load 108K

Product Specifications:

Material: Iron + Stainless Steel
Color: White

Size Details:
The small bed can expand from 90 cm to 1.2 m wide, supporting a single side load of 70-90 kg.
The large size bed ranges from 1.2 meters to 1.5 meters wide, with a 1.8-meter light bed (which can be turned sideways) and a vertical wall bed spring box (double), supporting a single side load of 108 kg.

Installation Instructions:
1. Carefully detach the U-shaped buckle to divide the spring into two parts. 2. Attach the box plate to the cabinet side and affix the spring part to the bed frame. 3. Once both parts of the wall bed box are installed, join them together securely. Ensure the bed cabinet and structure are anchored with 2~4 foot expansion bolts. 4. Rotate the bed open again and insert the U-shaped buckle into the eyelet.

Package Contents:
- 2 spring hinges
- 2 legs
- 2 leg mounts
- 1 hexagonal tool and screw bag

Features:

• High Quality: This wall bed mechanical hardware kit is constructed from durable iron and stainless steel, ensuring longevity and robust load capacity.

• Super Elasticity: Incorporating 5 high-quality springs, it offers strong rebound strength throughout its use.

• Heavy-duty Support: Supports small beds from 0.9-1.2 meters with a single side load of 70-90 kg; for large/queen size beds from 1.2-1.5 meters wide, and a 1.8-meter light bed (sideways adaptable) vertical wall bed spring box (double) with a single side load of 108 kg.

• Horizontal Mounting Design: Specifically designed for horizontal wall bed constructions, suitable for both double and queen size beds. It allows for easy folding and unfolding by one person.

• Wide Application: This wall bed mechanical hardware kit is ideal for space-saving solutions in homes or limited spaces such as attics, bachelor apartments, and modern hotels. It effectively maximizes space and provides additional sleeping accommodations for friends or guests.

product information: