Replacement of return torsion spring for mortise handle of safety door combined lock

Introducing, the Lisheng’s Replacement Torsion Spring for Mortise Handle of Safety Door Combined Lock. This high-quality product is the perfect solution for replacing a worn-out or damaged torsion spring in your safety door lock.

Crafted with precision and care, this torsion spring is designed to fit perfectly with Lisheng’s mortise handles, ensuring seamless functionality and enhanced security for your door. Say goodbye to frustrating lock malfunctions and ensure your safety door is always operating at its best with this easy-to-install replacement spring

Made from durable materials, this torsion spring is built to last and withstand daily wear and tear. Its reliable construction guarantees long-lasting performance, providing you with peace of mind knowing that your safety door lock is in top condition.

Whether you're a homeowner looking to upgrade your security or a property manager in need of a quick fix for a malfunctioning lock, the Lisheng’s Replacement Torsion Spring is the ideal solution. With its straightforward installation process, you can have your safety door lock working like new in no time.

Don't let a faulty torsion spring compromise the safety and security of your home or property. Invest in the Lisheng’s Replacement Torsion Spring and enjoy the benefits of a smoothly functioning safety door lock that you can trust.

Upgrade your security system today with the Lisheng’s Replacement Torsion Spring for Mortise Handle of Safety Door Combined Lock. Experience the convenience and reliability of a quality product that is designed to meet your security needs. Say goodbye to worries about lock malfunctions and trust in the durability and performance of Lisheng products

Size	customized and in stock
Technical	Experienced engineers and technicians；skilled workers
Applications	Atuo. motorcycle. industry. agriculture. mine furniture. elevator. etc
Material	Steels；Brass；copper，Aluminum Alloy；Plastic such as PEEK, ABS, POM and so on
Surface treatment	Ni-plating ，Zn-plating，Cr-plating，Tin-plating，copper-plating，hot-dip galvanizing，black oxide coating，painting，color zinc-plated，bule black zinc-plated，rust preventive oil，titanium alloy galvanized ，electro plating，anodizing etc
Producing Equipment	computer machine，forming machine，spring pressing machine，bending machine，punching machine and other machines
Testing Equipment	Projecting apparatus，Salt Spray Test，Durometer，and Coating thickness tester
Drawing	JPG, PDF, CAD. etc

1. Are you trading company or manufacturer                                                                                                                       A: We are a professional spring manufacturer with more than 1 5 years

2. How to keep high Qc for all springs
A.:Every initial part wil have inspected and tested by machines, and recorded by inspectors. Then inspect the producing goods every20-30 minutes. Finial inspecting and testing reports will be checked again before shipping.

3. Is it available to do OEM or ODM

A: Welcome RFO for OEM and ODM service. Please send us below details, and we will reply you with price within one day.

1). material

2). size - 0D, wD, length, coils
3). Quantity
4). Drawings or samples will be perfect

4: Do you provide samples? ls it free or need extra fees
A. Yes, we could offer free samples for the items in stock, just need to pay shipping cost

5:What is your terms of payment
A:30% in advance. 70% before delivery 100% in advance if less than USD5000

6:What services can we provide
Accepted Delivery Terms: FOB, CFR, CIF, EXW, FAS, CIPFCA, CPTDEQ, DDPDDU, Express Delivery, DAF, DES
Accepted Payment Currency. USD, EUR, JPY, CAD, AUD. HKD, GBPCNY. CHF
Accepted Payment Type: T/TL/C. D/P D/A. Credit Card. PayPal. Cash;
Language Spoken:English, Chinese, Spanish, Japanese