OEM/ODM J3 304 Stainless Steel Hotel Card Lock
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J3 304 Stainless Steel Hotel Card Lock

The J3 304 Stainless Steel Hotel Card Lock is designed for modern hospitality environments, offering a combination of security, convenience, and aesthetic appeal. Built from durable 304 stainless steel, this lock provides long-lasting performance while withstanding the rigors of high-traffic areas. With sleek finishes available in stainless steel and black, the J3 lock ensures a stylish and secure entry solution for hotel rooms, resorts, and other commercial establishments. With dimensions of 300*76*13mm, this lock fits a wide range of standard hotel room doors.

  • Black hotel room door lock with front and rear panels, RFID card access, modern handle, and electronic locking system for hotel guest room security
  • Silver J3 hotel card lock made from 304 stainless steel, featuring RFID card access, black lever handles, and front and rear panels for hotel guest room doors
  • Side view of the J3 hotel card lock installed on a wooden door, showing the mortise lock body, latch mechanism, lever handles, and stainless steel edge plate
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  • Product Details

  • Hotel Card Lock — 304 Stainless Steel Series

    Hotels, resorts, and serviced apartments all face the same challenge: guests need dependable access, but nobody wants a door that looks like it belongs in a server room. This lock was built to solve that tension. A slim rectangular body, an RFID reader panel, and a straight lever handle come together in a design that stays quiet and functional rather than drawing attention to itself — the kind of hardware that fits into a lobby-level interior just as easily as a budget-friendly guest floor.

    Underneath that clean exterior sits a 304 stainless steel frame, chosen specifically because it holds up under the kind of daily abuse guest room doors take. Housekeeping carts bump into it, guests slam doors in a hurry, humidity from bathrooms creeps into hallways — none of that wears down stainless steel the way it would cheaper alloys. Property owners can pick between a black finish or a natural stainless steel finish, depending on whether the rest of the door hardware leans modern-dark or classic-metallic.

    Size-wise, the lock body comes in at 300 × 76 × 13 mm, a footprint that lines up with what most standard hotel doors already expect — so retrofits don't usually turn into a carpentry project. On the access side, RFID card entry takes over the job mechanical keys used to do, and it does it with less friction: no more rekeying locks after a guest loses a key, no more waiting at the front desk while someone digs through a lost-and-found bin.

    Key Features

    Below is a closer look at what makes this lock work well in real hotel conditions — not just on a spec sheet, but on a door that gets used fifteen times a day.

    Built From 304 Stainless Steel

    The frame is machined from 304-grade stainless steel, a material hotels lean on precisely because it doesn't corrode easily and doesn't dent the moment something bumps into it. Corridors, guest rooms, service entrances — anywhere a lock gets opened and closed constantly, this is the grade that tends to outlast cheaper alternatives.

    RFID Card Entry

    Guests tap a card, the door opens — no fumbling with keys, no risk of a key getting copied without the front desk knowing. On the management side, staff can issue a new card, deactivate a lost one, or update access permissions directly through the property's access system, which cuts down on a lot of the manual work that used to eat up front-desk time.

    Straight Lever Handle

    The handle keeps a simple, straight profile instead of anything overly sculpted or ornamental. Paired with either body finish, the black handle adds just enough contrast to keep the hardware from looking flat or generic against the door.

    Two Finish Choices

    • Black — works well in interiors that lean modern or minimalist
    • Stainless steel — suits properties going for a cleaner, more metallic hardware look

    Either option gives designers room to match the lock to the door color and the room's overall style, rather than forcing one look across an entire property.

    A Slim, Compact Body

    At 300 × 76 × 13 mm, the lock stays narrow enough that it doesn't dominate the door face, but the internal structure still holds everything needed for reliable card-based access control. It's a balance a lot of hotel hardware gets wrong — either too bulky to look good, or too thin to function properly — and this design lands somewhere in between.

    Product Applications

    The J3 304 Stainless Steel Hotel Card Lock is suitable for a variety of hospitality and commercial spaces where card-based access control is needed.

    Application Usage Description
    Hotel Guest Rooms Provides RFID card access for standard guest room doors
    Resorts Suitable for rooms, villas, and vacation-style accommodation areas
    Serviced Apartments Supports controlled access for short-term and long-term stays
    Dormitories Can be used in managed living spaces with card-based entry
    Meeting Rooms Helps control access to conference rooms or shared facilities

    In these applications, the lock offers a practical balance of door security, daily usability, and simple visual integration.

Related products
about Abrain
Yongkang Ruian Lock Industry Co, Ltd.
"FOCUS ON 304 STAINLESS STEEL SERIES WATERPROOF AND MOISTURE-PROOF SECURITY SMART DOOR LOCKS."

Founded in 2011 in Yongkang, Zhejiang province, the company covers an area of 5,000 square meters and employs 58 people. We are an Hotel Card Lock and focus on the 304 stainless steel series of waterproof and moisture-resistant security smart door locks, including entry doors, interior doors, glass doors, villa doors, 3D face fully automatic, double-sided waterproof smart door locks outside profile doors and courtyard portals, apartment locks, campus locks, stainless steel mechanical locks.
We specialize in home improvement and real estate projects, and have established relationships with many brands, such as Dahua shares, Hangxiao Steel, Swedish brand ASSA ABLOY's company Guoqiang Hardware, Wangli Security, Star Moon Security, Xinduo Door, Caizhu Vanke, etc. Our China Hotel Card Lock supplier products are exported to Southeast Asia and European countries. The company has several independent brands such as "Abrain" and "Rui'an", and has been awarded more than 20 national patents for invention, utility models, and appearance. Our Products have passed the certification for a quality management system, environmental management system and occupational health and safety management system, and the company won the patent demonstration enterprise of Yongkang City, the AA-level "Keep Contract and Keep Promise" enterprise of Zhejiang Province, and the "Made in Zhejiang" certification enterprise of Zhejiang Province and the Alibaba Super Factory.
The company has a professional independent research and development team, and everything from product appearance and structural design to mold development, product prototyping and mass production can be completed independently. Our factory is also equipped with 3500㎡ production workshops and laser cutting machines, stamping equipment, hydraulic machines, automatic welding machines, and fine engraving machines. With more than 50 automatic polishing lines, automatic cleaning lines, assembly lines and other specialized equipment, annual production can reach 300,000 units.

  • Industry Experience

    14+

  • Factory Area

    5000m²

  • Current Employees

    58+

  • Annual Output

    30000+
STRENGTH CERTIFICATION

Our products comply with international industry standards, and we continue to innovate and keep pace with the times.

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