About Jiahui Locksmith
Tianjin Binhai New Area Jiahui Lock Service is a legitimate enterprise specializing in lock opening, lock replacement, and lock installation. We are registered with the Public Security Bureau, and all technicians are certified professionals with extensive experience and expert skills.
We serve all 16 districts and counties in Tianjin, with 24/7 availability. We promise to arrive within 8 minutes. With transparent pricing—quoted before we arrive and no hidden fees—you can choose with confidence.
Qualifications & Honors

Certified Technician with Public Security Filing License
All technicians are registered with public security authorities and hold valid licenses.

Official physical store
Verified business registration; trusted reputation

Professional Certification
Holds professional locksmith industry certification
Service Philosophy
- • Safety First: Rigorously verify customer identity to ensure service security
- • Professional expertise: Uses non-destructive lock-picking technology to protect customer property
- • Transparent Pricing: Clear rates with quotes provided before arrival—no hidden fees.
- • Fast response: On standby for 24 hours, on-site in as little as 8 minutes
- • After-Sales Support: Smart lock 1-3 year warranty; short-term repair service for locks
Technical Team
Chief Technical Craftsman
15 years of experience | Advanced Locksmith with Public Security Registration | Certified for Occupational Competency Training
Our technical team consists of master locksmiths with over 10 years of experience, all vetted and registered with public security authorities. Each member holds nationally certified training credentials. The team undergoes regular technical training to stay updated on the latest lock structures and non-destructive entry techniques, and is proficient in installing and configuring leading smart lock brands on the market.
Industry Standards and Regulations
Our services strictly comply with national standards and industry regulations:
- • GB 21556-2008 "General Technical Conditions for Safety of Locks"National Standard for Safety Performance of Lock Products
- • GA/T 73-2015 "Mechanical Anti-theft Lock"Public Security Industry Standard: Technical Requirements for Anti-Theft Locks
- • Public Security Filing Management: All locksmith service personnel are registered with the public security authorities.
- • Job Competency Training CertificateAll team members hold professional certificates issued by the Human Resources Vocational Education Training Center.
Our Journey
Jiahui Locksmith was founded in Binhai New Area, Tianjin. Starting as a single locksmith, we grew into a chain service brand covering all 16 districts of Tianjin through our solid technical expertise and trustworthy service. For years, we have remained committed to meeting customer needs with professional skills and fair pricing, earning the trust and praise of Tianjin residents.
Throughout our growth, we have continuously refined our service processes and technical training programs. Every master joining the team must pass rigorous technical assessments and background checks before receiving a competency certification and starting work. We regularly conduct technical training sessions to learn about the latest lock structures and non-destructive entry techniques, ensuring our team's expertise remains at the industry forefront.
Why Choose Jiahui Locksmith
While many locksmiths operate in the Tianjin market, Jiahui Locksmith stands out thanks to these core advantages:
- Public Security Registration, Official & ReliableWe are registered with public security authorities. All service records are traceable, customer identity verification follows strict protocols, and safety risks are eliminated. Choosing a registered merchant is your basic guarantee for home security.
- Certified professionals with proven expertiseOur team members are certified in job-specific training and proficient in non-destructive lock-picking for security door locks, car locks, and safes. We prioritize preserving your existing locks to minimize replacement costs.
- Citywide coverage, nearest dispatch: We have service technicians stationed in all 16 districts of Tianjin, including Heping, Hedong, Hexi, Nankai, Hebei, Hongqiao, Dongli, Xiqing, Jinnan, Beichen, Wuqing, Baodi, Binhai New Area, Ninghe, Jinghai, and Jizhou. No matter your location, the system assigns jobs to the nearest technician to minimize wait times.
- Transparent pricing, no hidden tricksWe provide a full price estimate over the phone, including service call fee, unlocking fee, and parts cost. No additional charges will be applied upon arrival. All pricing details are available on our public price list for complete transparency.
- After-Sales Protection: Peace of Mind GuaranteedSmart lock installation includes 1-3 year warranty; lock repairs come with short-term after-sales support. If issues arise after service, contact us for repairs promptly—no delays or excuses.
Common Lock Issues and Troubleshooting Tips
In daily life, residents often encounter various lock-related issues. Below are common scenarios and our recommended solutions:
- Key broken in the lockDo not force other tools into the lock, as this may push the broken key deeper. Leave the keyhole undisturbed and contact a professional locksmith to remove it using specialized tools; this is typically resolved without damage.
- Door lock is stuck and hard to turn.: Likely due to worn-out pins inside the lock cylinder or foreign debris. Try injecting a small amount of pencil graphite powder into the keyhole for lubrication. If this doesn't work, professional repair or cylinder replacement is required.
- Smart lock is out of battery and cannot be opened.Most smart locks feature an emergency power port (typically Micro USB or Type-C) to allow temporary power from a power bank for unlocking. Keep mechanical keys at home as a backup.
- Should I change the locks after moving?Recommend replacing the lock cylinder. Previous occupants may have spare keys; installing a new cylinder is a basic security measure. Grade C cylinders offer superior anti-theft performance compared to Grades A and B, making them ideal for residential use.
- Car keys locked insideDo not attempt to hook out the key with tools like wire, as this may damage the door seal or electronic wiring. Contact a professional automotive locksmith to use an air wedge tool combined with a long rod for non-destructive opening.
Service Areas and Contact Information
Jiahui Locksmith's physical store is located at Building 9, Xiangyang Li, Xin Village Street, Binhai New Area, Tianjin. Business registration information can be verified on the State Enterprise Credit Information Publicity System. Our service hotline18222551707Available 24/7, 24 hours a day. Call anytime—day or night, weekdays or holidays.
For more information about our services, visitService OfferingsView detailed information about each service, or go toPrice ListTransparent pricing details are available on this page. Residents in all districts of Tianjin can also visit their local service pages to contact nearby technicians and view service details.