Caterpillar (Qingzhou) Ltd.

The industrial company behind SEM products.

Caterpillar (Qingzhou) Ltd., often referred to as CQL, continues to develop and produce SEM machines. It provides SEM with a strong industrial foundation while the brand keeps its own proposition, dedicated channels and field-focused approach.

Caterpillar Qingzhou industrial site — An industrial base supporting SEM quality, availability and product support.

60+ years An industrial heritage first built around SEM wheel loaders and extended to essential construction machines.

2008 Shandong Engineering Machinery became a wholly owned subsidiary of Caterpillar.

2013 The company transitioned to Caterpillar (Qingzhou) Ltd. and continued producing SEM products.

CQL’s role

An industrial base for a field-focused brand.

CQL does not replace SEM’s identity: it supports it. SEM machines follow a clear logic: Affordable, Available and Supported SEM products and services to serve the customers all over the world.

Production organized around rigorous industrial standards.
Product development aligned with regional market needs.
Product support focused on availability and ownership cost.

Quality control on a SEM machine — An approach focused on reliability, maintenance and operational continuity.

Continuity between design, production and field operation.

Affordable

A value-tier price and low total cost of ownership put dependable equipment within reach.

Available

A widening network keeps machines, parts and support close to the customer.

Supported

Qualified and responsive services stand behind every unit.

Understanding CQL helps understand SEM.

Explore the SEM machine range and the brand’s positioning in international markets.

View machines The SEM brand