STC MARINE ENGINEERING LIMITED

STC MARINE ENGINEERING LIMITED

Our company mainly manufactures hydraulic cylinders for ship hatch covers, hydraulic jacks, and hydraulic control valve blocks. We also offers repair and testing services for hydraulic motors, hydraulic pumps, hydraulic cylinders, and hydraulic valve blocks.

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Contact Us

stc@shiptecmarine.com

About COmpany

Advanced equipment, professional technology, and rapid response capabilities to provide professional services for shipowners.

Establish

STC MARINE ENGINEERING LIMITED founded in 2011

Service

We are committed to delivering high-quality products and services to our customers.

Products

Hatch Cover Hydraulic Cylinders

Hatch Cover Hydraulic Jacks

Hydraulic Cylinders for Free Fall Lifeboat Davits

Grab Hydraulic Cylinders

Hatch Cover Control Valve Blocks

Hydraulic Motors

Hydraulic Pumps

Winch/Crane Hydraulic Controllers

Crane Sheaves

SMAG Grab Accessories and Attachments

repair service

Laser Cladding

Repair/Overhaul Hydraulic Motors

Repair/Overhaul Hydraulic Pumps

Repair/Overhaul Hydraulic Valve Blocks

Hot Product

A6V500

TTS

85-ST140

7330

T6EEC 062 052 T6CCM B025 B20

Repair/Overhaul Hydraulic Motors

FAq

Are Always Ready To Serve

Are you a trading company or manufacturer?

We are both a manufacturer (with in-house production of hydraulic cylinders and parts) ，Ship’s hydraulic parts repair and supply company (supplying new/second-hand hydraulic components and spares).

Do you provide pre-sales and after-sales services?

Yes. Pre-sales: Technical consultation, customization support, and drawing approval. After-sales: Maintenance training, on-site technical assistance, and lifelong operation guidance.

What are the shipping options?

- Urgent small parts: Air express.
- Bulk goods: Sea freight (cost-effective).
- We accept your assigned shipping agent or can arrange via our cooperative forwarders. Nearest ports: Shanghai, Ningbo.

What is the quality warranty?

We provide a 1-year quality guarantee for all products. If quality issues occur within this period, we offer replacement services. For installed items, our technical team will assist in troubleshooting.

What is the delivery time?

- 1-2 days for in-stock items (e.g., most hatch jacks, standard sheaves).
- 5-15 days for non-stock items, depending on quantity and customization requirements.

What services do we provide?

- Manufacturing: Custom hydraulic cylinders/jacks with tailored specifications (bore size 50–500+mm, materials like steel, stainless steel).
- Overhaul: Repair of hydraulic cylinders, jacks, motors, pumps, and valve blocks (including sandblasting, part replacement, testing).
- Laser cladding: Repair of worn components (e.g., piston rods, pump shafts).
- Delivery terms: EXW.
- Payment: Accepts USD, CNY via T/T.
- Language support: English and Chinese.

Our Services

Our Advantages

Exceptional Product Quality

We maintain strict quality control throughout production:
- Pre-production: Computer-aided design and high-precision CNC machining
- Production: Hydraulic components undergo 1.5× working pressure testing and pressure holding tests
- Post-production: Performance testing on professional test benches with anti-corrosion treatments
We use seals from renowned international brands (NOK, SKF, PARKER, TECNOLAN) to ensure durability, with all products backed by a 1-year warranty.

Fast and Reliable Delivery

Leveraging an efficient supply chain and adequate inventory, we ensure rapid delivery:
- Stock items (like most hatch jacks and standard sheaves): shipped within 1-2 days
- Non-stock or customized products: delivered within 5-15 days
- Emergency orders: air freight available (3-5 days to global ports via Shanghai/Ningbo)
This flexibility minimizes downtime, especially crucial for urgent situations like anchor windlass failures.

Comprehensive One-Stop Service

We provide end-to-end services covering the manufacturing, overhaul, and supply of marine hydraulic equipment. In addition to producing hydraulic cylinders, motors, and valves, we offer:
- Laser cladding for worn components
- On-site repairs
- Lifelong technical guidance
From pre-sales support (drawing approval, technical consultation) to after-sales assistance (remote troubleshooting, on-board repairs), we deliver seamless service throughout the product lifecycle, eliminating the need for customers to coordinate with multiple suppliers.

Experienced Professional Team

Our team brings 15 years of experience in marine hydraulic systems, composed of senior hydraulic engineers proficient in fault diagnosis and solution design. With in-depth knowledge of international brands such as MacGregor, Kayaba, Mitsubishi, STAFFA, KAWASAKI, and TTS, combined with extensive on-site experience, they can quickly identify issues.

Quality Manegement System Certificate

We are certified to GB/T 19001-2016/ISO 9001:2015 for machining of marine mechanical parts (Certificate No. 0052204525R1S, valid until 17 Dec 2025), issued by China Classification Society Certification Co., Ltd. and accredited by IAF & CNAS, demonstrating our standardized quality management and enhancing customer trust in our products and services.

Rigorous Quality Assurance System

Our quality commitment spans the entire process from production and delivery to after-sales service:
- Multi-stage inspection: From raw material selection to final shipment, all components undergo ultrasonic cleaning, pressure testing, and performance verification.
- Warranty and after-sales support: New products come with a 1-year warranty (free replacement for quality issues), while repaired parts include a 6-month warranty. For installed equipment, our technical team assists with troubleshooting and provides maintenance records and inspection reports for traceability.
- Stringent repair standards: Repaired motors, pumps, and valve groups must pass simulated working condition tests, ensuring performance meets at least 95% of original equipment standards, guaranteeing reliability in harsh marine environments.

Powerful Customization Capabilities

We specialize in delivering customized solutions tailored to diverse requirements:
- Customization scope: Hydraulic cylinders (bore size 50-500+ mm) and hatch cover hydraulic control valve groups, built to customer specifications.
- Standardized process: Based on customer-provided drawings or original equipment parameters, we complete design and production within 3-14 days. Detailed manufacturing drawings are submitted for customer approval before production begins.
This flexibility ensures our products are compatible with various vessel types and equipment brands such as TTS, MacGregor, and SMAG.