K-STONE – Parking Air Conditioner Supplier in China

TIER-1 STANDARD MANUFACTURING BASE

Smart Manufacturing & Direct Factory Capabilities

Equipped with fully automated polymer injection units,CNC high-speed machining centers,and climate-system assembly cleanrooms.Supplying global automotive distributors and fleet builders with guaranteed OE consistency.

35,000㎡
Modern Plant Area
Cleanroom assembly & heavy
warehousing
120 k+
Monthly AC & Manifold Output
Continuous multi-line operations
48+
High-Precision CNC & Injection Lines
KraussMaffei &
Haitian machinery
98.5%
Automation Coverage
Robotic ultrasonic welding &
helium testing
PRODUCTION INFRASTRUCTURE

Factory Dedicated Processing Facilities

DIVISION 01 · THERMAL SYSTEMS

Dust-Free Assembly & Evacuation Cleanrooms

Specially built for rooftop,split-type,and camper under-bench 12V/24V air conditioning units.Features automated robotic refrigerant charging,electrical insulation verification,and continuous sound-level test chambers.

Key Machinery:
Inficon Helium Mass Spectrometer,Automated R134a/R1234yf Dosing Units
Quality Checkpoint:
100% full-load pre-delivery tun testing (BTU output & low-voltage protection)
Capacity:
25,000 units / month

DIVISION 02 · VALVETRAIN ENCLOSURES

Composite Polymer & Die-Cast Aluminum Cell

Produces composite PA66-GF30 and A380 die-cast valve covers for German,American,and Japanese applications.Intergrated multi-cavity hot runner molds eliminate warpage and guarantee flat seal surfaces.

Key Machinery:
500T-1200T Haitian Precision Injection Presses, 4-Axis CNC Milling Jigs
Quality Checkpoint:
Laser optical planarity inspection (tolerance within ± 0.02mm)
Capacity:
45,000 sets / month

DIVISION 03 · AIR INTAKE SYSTEMS

Vibration Friction Welding & Flow Matching

Specialized in high-boost multi-runner manifolds with built-in swirl flap actuators.Robotic friction welding creates monolithic weld seams capable of resisting burst pressures beyond 3.0 Bar.

Key Machinery:
Branson High-Power Ultrasonic Welders,Superflow Dynamic Airflow Benches
Quality Checkpoint:
100% pneumatic backfire simulation & runner airflow balance analysis
Capacity:
30,000 units / month

Looking for a reliable manufacturer of parking air conditioners?

Our parking air conditioners have obtained PTMP, CPP, PECP, APO, E-Mark, CE, UL/ETL, ISO 9001, and IATF 16949 certifications. Please feel free to contact us.

REAL-TIME FACILITY VERIFICATION · 35,000㎡ FOOTPRINT

Heavy-Duty Infrastructure Behind Every Part

Inspect our cleanroom assembly bays,automated polymer molding cells,and dedicated container dispatch yards built for global Tier-1 & aftermarket distribution.

ZONE 01 · HEAVY MACHINING

Central Machining & Assembly Hall

Equipped with heavy overhead cranes and high-speed CNC cells,ensuring seamless structural handling for engine valve covers and intake manifold molds.

500T - 1200T
PRESS CAPACITY
± 0.015 mm
PLANARITY TOLERANCE
Factory Hall1
ZONE 02 · GLOBAL LOGISTICS

Primary Logistics & Dispatch Gate

Features dedicated export container bays and continuous dispatch operations, ensuring rapid vessel turnaround for international sea freight.

20 - 30 Days
40HQ CONTAINER LEAD TIME
100%
PRE-SHIPMENT SEAL AUDITED
Factory Entrance
Zone 03 • Polymer Engineering

Precision Tooling & Molding Cell

Automated injection cells dedicated to virgin PA66-GF30 composite molding, complete with robotic demolding and internal baffle alignment.

200℃ Max
THERMAL RESISTANCE TESTED
30% ± 1.5%
GLASS FIBER DENSITY
Factory 1
Zone 04 • Sealing & Leak Tests

Automated Assembly & Quality Audit

High-power ultrasonic vibration welding line coupled with automated helium mass spectrometers to guarantee lifelong structural air-tightness.

≥ 3.0 Bar
BURST PRESSURE LIMIT
< 2g / year
REFRIGERANT LEAK RATE
Factory 2
Cleanroom Climate Line

Dedicated dust-controlled bays for 12V/24V parking AC refrigerant charging and automated electrical insulation safety checks.

Monolithic Seam Welding

High-capacity Branson ultrasonic machines producing continuous weld seams capable of resisting >3.0 Bar intake boost pulses.

Laser CMM Optical Metrology

Flange surface planarity is scanned point-by-point, locking in zero engine oil seepage across PA66-GF30 and aluminum valve covers.

Looking for a reliable manufacturer of parking air conditioners?

Our parking air conditioners have obtained PTMP, CPP, PECP, APO, E-Mark, CE, UL/ETL, ISO 9001, and IATF 16949 certifications. Please feel free to contact us.

LOGISTICS & BUFFER STOCK CAPABILITIES

Dedicated Warehousing & Ready-to-Ship Inventory

Eliminating seasonal supply crunches for global distributors.Our dedicated buffer facility maintains continuous inventory across our core automotive lines:12V/24V parking air conditioners,PA66-GF30 engine valve covers,and dynamic swirl flap intake manifolds.

Fulfillment Standards & Logistics Control

Managed under standardized 5S warehouse protocols with full batch barcode tracing.

50,000+

Buffer Inventory Reserve

Continuous stock for high-running Mercedes,BMW,and Ford models

48h
Fast-Track Sample & LCL Dispatch

Immediate pick,pack,and air freight turnover on emergency replenishment.

40HQ
Mixed-SKU Container Consolidation

Flexible consolidation of parking AC systems and engine covers in a single shipment.

100%
Customs-Grade Export Protection

Heavy-gauge corrugated boxes,foam linings,moisture warps,and fumigated pallets.

Inventory 1
ZONE A · HIGH-BAY RACKING

Primary Heavy Storage & Vertical Pallet Staging

High-density racking system housing finished valve covers and manifolds,mapped with optical QR location codes.

Inventory 2
ZONE B · CLIMATE CONTROL

Parking Air Conditioner

12V and 24V rooftop and split units buffered for pre-shipment kit sorting.

Inventory 3
Zone C • Powertrain Parts

Intake Manifold

Pre-packaged assemblies stored safely to prevent actuator damage.

Inventory 4
Transit Hub

Navigation Arteries

Wide, unobstructed aisle layout ensuring prompt goods transport.

Inventory 5
Consolidation Bay

Container Stuffing Floor

Central consolidation staging floor for whole-container sea freight orders.

Inventory 6
Packaging Bay

Dual-Corrugated Cartons

Reinforced foam edge inserts safeguard valvetrain parts during voyage.
Inventory 7
Dispatch Ready

Pallet Stretch Wrapping

Weather-proof UV barrier film and export pallets ready for container loading.

Looking for a reliable manufacturer of parking air conditioners?

Our parking air conditioners have obtained PTMP, CPP, PECP, APO, E-Mark, CE, UL/ETL, ISO 9001, and IATF 16949 certifications. Please feel free to contact us.

Send Us A Message

Get In Touch

Contact Us Now

Tell us your perfect idea, or simply say hello. We’re here to create the perfect idea, whether you have a great thought or need some inspiration for a project. From conception to creation, allow us to inspire you.

+86 138 1973 9327
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Office

Room 901, Jinri Jiayuan,
South Tangjiaqiao Rd,
Wenzhou, 325000 China
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